diff options
Diffstat (limited to 'externals/httplib')
| -rw-r--r-- | externals/httplib/README.md | 2 | ||||
| -rw-r--r-- | externals/httplib/httplib.h | 2419 | 
2 files changed, 1743 insertions, 678 deletions
| diff --git a/externals/httplib/README.md b/externals/httplib/README.md index 0e26522b5..73037d297 100644 --- a/externals/httplib/README.md +++ b/externals/httplib/README.md @@ -1,4 +1,4 @@ -From https://github.com/yhirose/cpp-httplib/commit/d9479bc0b12e8a1e8bce2d34da4feeef488581f3 +From https://github.com/yhirose/cpp-httplib/tree/fce8e6fefdab4ad48bc5b25c98e5ebfda4f3cf53  MIT License diff --git a/externals/httplib/httplib.h b/externals/httplib/httplib.h index fa2edcc94..e03842e6d 100644 --- a/externals/httplib/httplib.h +++ b/externals/httplib/httplib.h @@ -1,7 +1,7 @@  //  //  httplib.h  // -//  Copyright (c) 2019 Yuji Hirose. All rights reserved. +//  Copyright (c) 2020 Yuji Hirose. All rights reserved.  //  MIT License  // @@ -11,6 +11,7 @@  /*   * Configuration   */ +  #ifndef CPPHTTPLIB_KEEPALIVE_TIMEOUT_SECOND  #define CPPHTTPLIB_KEEPALIVE_TIMEOUT_SECOND 5  #endif @@ -40,7 +41,7 @@  #endif  #ifndef CPPHTTPLIB_PAYLOAD_MAX_LENGTH -#define CPPHTTPLIB_PAYLOAD_MAX_LENGTH (std::numeric_limits<size_t>::max)() +#define CPPHTTPLIB_PAYLOAD_MAX_LENGTH (std::numeric_limits<size_t>::max())  #endif  #ifndef CPPHTTPLIB_RECV_BUFSIZ @@ -48,9 +49,14 @@  #endif  #ifndef CPPHTTPLIB_THREAD_POOL_COUNT -#define CPPHTTPLIB_THREAD_POOL_COUNT 8 +#define CPPHTTPLIB_THREAD_POOL_COUNT                                           \ +  (std::max(1u, std::thread::hardware_concurrency() - 1))  #endif +/* + * Headers + */ +  #ifdef _WIN32  #ifndef _CRT_SECURE_NO_WARNINGS  #define _CRT_SECURE_NO_WARNINGS @@ -62,9 +68,9 @@  #if defined(_MSC_VER)  #ifdef _WIN64 -typedef __int64 ssize_t; +using ssize_t = __int64;  #else -typedef int ssize_t; +using ssize_t = int;  #endif  #if _MSC_VER < 1900 @@ -100,7 +106,7 @@ typedef int ssize_t;  #define strcasecmp _stricmp  #endif // strcasecmp -typedef SOCKET socket_t; +using socket_t = SOCKET;  #ifdef CPPHTTPLIB_USE_POLL  #define poll(fds, nfds, timeout) WSAPoll(fds, nfds, timeout)  #endif @@ -109,23 +115,25 @@ typedef SOCKET socket_t;  #include <arpa/inet.h>  #include <cstring> +#include <ifaddrs.h>  #include <netdb.h>  #include <netinet/in.h>  #ifdef CPPHTTPLIB_USE_POLL  #include <poll.h>  #endif +#include <csignal>  #include <pthread.h> -#include <signal.h>  #include <sys/select.h>  #include <sys/socket.h>  #include <unistd.h> -typedef int socket_t; +using socket_t = int;  #define INVALID_SOCKET (-1)  #endif //_WIN32 -#include <assert.h> +#include <array>  #include <atomic> +#include <cassert>  #include <condition_variable>  #include <errno.h>  #include <fcntl.h> @@ -143,9 +151,13 @@ typedef int socket_t;  #ifdef CPPHTTPLIB_OPENSSL_SUPPORT  #include <openssl/err.h> +#include <openssl/md5.h>  #include <openssl/ssl.h>  #include <openssl/x509v3.h> +#include <iomanip> +#include <sstream> +  // #if OPENSSL_VERSION_NUMBER < 0x1010100fL  // #error Sorry, OpenSSL versions prior to 1.1.1 are not supported  // #endif @@ -162,6 +174,9 @@ inline const unsigned char *ASN1_STRING_get0_data(const ASN1_STRING *asn1) {  #include <zlib.h>  #endif +/* + * Declaration + */  namespace httplib {  namespace detail { @@ -176,37 +191,15 @@ struct ci {  } // namespace detail -enum class HttpVersion { v1_0 = 0, v1_1 }; - -typedef std::multimap<std::string, std::string, detail::ci> Headers; - -typedef std::multimap<std::string, std::string> Params; -typedef std::smatch Match; - -typedef std::function<void(const char *data, size_t data_len)> DataSink; - -typedef std::function<void()> Done; - -typedef std::function<void(size_t offset, size_t length, DataSink sink, -                           Done done)> -    ContentProvider; +using Headers = std::multimap<std::string, std::string, detail::ci>; -typedef std::function<bool(const char *data, size_t data_length, size_t offset, -                           uint64_t content_length)> -    ContentReceiver; +using Params = std::multimap<std::string, std::string>; +using Match = std::smatch; -typedef std::function<bool(uint64_t current, uint64_t total)> Progress; +using Progress = std::function<bool(uint64_t current, uint64_t total)>;  struct Response; -typedef std::function<bool(const Response &response)> ResponseHandler; - -struct MultipartFile { -  std::string filename; -  std::string content_type; -  size_t offset = 0; -  size_t length = 0; -}; -typedef std::multimap<std::string, MultipartFile> MultipartFiles; +using ResponseHandler = std::function<bool(const Response &response)>;  struct MultipartFormData {    std::string name; @@ -214,10 +207,53 @@ struct MultipartFormData {    std::string filename;    std::string content_type;  }; -typedef std::vector<MultipartFormData> MultipartFormDataItems; +using MultipartFormDataItems = std::vector<MultipartFormData>; +using MultipartFormDataMap = std::multimap<std::string, MultipartFormData>; + +class DataSink { +public: +  DataSink() = default; +  DataSink(const DataSink &) = delete; +  DataSink &operator=(const DataSink &) = delete; +  DataSink(DataSink &&) = delete; +  DataSink &operator=(DataSink &&) = delete; + +  std::function<void(const char *data, size_t data_len)> write; +  std::function<void()> done; +  std::function<bool()> is_writable; +}; + +using ContentProvider = +    std::function<void(size_t offset, size_t length, DataSink &sink)>; + +using ContentReceiver = +    std::function<bool(const char *data, size_t data_length)>; + +using MultipartContentHeader = +    std::function<bool(const MultipartFormData &file)>; + +class ContentReader { +public: +  using Reader = std::function<bool(ContentReceiver receiver)>; +  using MultipartReader = std::function<bool(MultipartContentHeader header, +                                             ContentReceiver receiver)>; + +  ContentReader(Reader reader, MultipartReader muitlpart_reader) +      : reader_(reader), muitlpart_reader_(muitlpart_reader) {} + +  bool operator()(MultipartContentHeader header, +                  ContentReceiver receiver) const { +    return muitlpart_reader_(header, receiver); +  } + +  bool operator()(ContentReceiver receiver) const { return reader_(receiver); } + +  Reader reader_; +  MultipartReader muitlpart_reader_; +}; -typedef std::pair<ssize_t, ssize_t> Range; -typedef std::vector<Range> Ranges; +using Range = std::pair<ssize_t, ssize_t>; +using Ranges = std::vector<Range>;  struct Request {    std::string method; @@ -229,7 +265,7 @@ struct Request {    std::string version;    std::string target;    Params params; -  MultipartFiles files; +  MultipartFormDataMap files;    Ranges ranges;    Match matches; @@ -253,13 +289,19 @@ struct Request {    std::string get_param_value(const char *key, size_t id = 0) const;    size_t get_param_value_count(const char *key) const; +  bool is_multipart_form_data() const; +    bool has_file(const char *key) const; -  MultipartFile get_file_value(const char *key) const; +  MultipartFormData get_file_value(const char *key) const; + +  // private members... +  size_t content_length; +  ContentProvider content_provider;  };  struct Response {    std::string version; -  int status; +  int status = -1;    Headers headers;    std::string body; @@ -269,106 +311,81 @@ struct Response {    void set_header(const char *key, const char *val);    void set_header(const char *key, const std::string &val); -  void set_redirect(const char *uri); +  void set_redirect(const char *url);    void set_content(const char *s, size_t n, const char *content_type);    void set_content(const std::string &s, const char *content_type);    void set_content_provider(        size_t length, -      std::function<void(size_t offset, size_t length, DataSink sink)> provider, +      std::function<void(size_t offset, size_t length, DataSink &sink)> +          provider,        std::function<void()> resource_releaser = [] {});    void set_chunked_content_provider( -      std::function<void(size_t offset, DataSink sink, Done done)> provider, +      std::function<void(size_t offset, DataSink &sink)> provider,        std::function<void()> resource_releaser = [] {}); -  Response() : status(-1), content_provider_resource_length(0) {} - +  Response() = default; +  Response(const Response &) = default; +  Response &operator=(const Response &) = default; +  Response(Response &&) = default; +  Response &operator=(Response &&) = default;    ~Response() {      if (content_provider_resource_releaser) {        content_provider_resource_releaser();      }    } -  size_t content_provider_resource_length; +  // private members... +  size_t content_length = 0;    ContentProvider content_provider;    std::function<void()> content_provider_resource_releaser;  };  class Stream {  public: -  virtual ~Stream() {} +  virtual ~Stream() = default; + +  virtual bool is_readable() const = 0; +  virtual bool is_writable() const = 0; +    virtual int read(char *ptr, size_t size) = 0; -  virtual int write(const char *ptr, size_t size1) = 0; -  virtual int write(const char *ptr) = 0; -  virtual int write(const std::string &s) = 0; +  virtual int write(const char *ptr, size_t size) = 0;    virtual std::string get_remote_addr() const = 0;    template <typename... Args>    int write_format(const char *fmt, const Args &... args); -}; - -class SocketStream : public Stream { -public: -  SocketStream(socket_t sock); -  virtual ~SocketStream(); - -  virtual int read(char *ptr, size_t size); -  virtual int write(const char *ptr, size_t size); -  virtual int write(const char *ptr); -  virtual int write(const std::string &s); -  virtual std::string get_remote_addr() const; - -private: -  socket_t sock_; -}; - -class BufferStream : public Stream { -public: -  BufferStream() {} -  virtual ~BufferStream() {} - -  virtual int read(char *ptr, size_t size); -  virtual int write(const char *ptr, size_t size); -  virtual int write(const char *ptr); -  virtual int write(const std::string &s); -  virtual std::string get_remote_addr() const; - -  const std::string &get_buffer() const; - -private: -  std::string buffer; +  int write(const char *ptr); +  int write(const std::string &s);  };  class TaskQueue {  public: -  TaskQueue() {} -  virtual ~TaskQueue() {} +  TaskQueue() = default; +  virtual ~TaskQueue() = default;    virtual void enqueue(std::function<void()> fn) = 0;    virtual void shutdown() = 0;  }; -#if CPPHTTPLIB_THREAD_POOL_COUNT > 0  class ThreadPool : public TaskQueue {  public: -  ThreadPool(size_t n) : shutdown_(false) { +  explicit ThreadPool(size_t n) : shutdown_(false) {      while (n) { -      auto t = std::make_shared<std::thread>(worker(*this)); -      threads_.push_back(t); +      threads_.emplace_back(worker(*this));        n--;      }    }    ThreadPool(const ThreadPool &) = delete; -  virtual ~ThreadPool() {} +  ~ThreadPool() override = default; -  virtual void enqueue(std::function<void()> fn) override { +  void enqueue(std::function<void()> fn) override {      std::unique_lock<std::mutex> lock(mutex_);      jobs_.push_back(fn);      cond_.notify_one();    } -  virtual void shutdown() override { +  void shutdown() override {      // Stop all worker threads...      {        std::unique_lock<std::mutex> lock(mutex_); @@ -378,14 +395,14 @@ public:      cond_.notify_all();      // Join... -    for (auto t : threads_) { -      t->join(); +    for (auto &t : threads_) { +      t.join();      }    }  private:    struct worker { -    worker(ThreadPool &pool) : pool_(pool) {} +    explicit worker(ThreadPool &pool) : pool_(pool) {}      void operator()() {        for (;;) { @@ -411,7 +428,7 @@ private:    };    friend struct worker; -  std::vector<std::shared_ptr<std::thread>> threads_; +  std::vector<std::thread> threads_;    std::list<std::function<void()>> jobs_;    bool shutdown_; @@ -419,46 +436,16 @@ private:    std::condition_variable cond_;    std::mutex mutex_;  }; -#else -class Threads : public TaskQueue { -public: -  Threads() : running_threads_(0) {} -  virtual ~Threads() {} - -  virtual void enqueue(std::function<void()> fn) override { -    std::thread([=]() { -      { -        std::lock_guard<std::mutex> guard(running_threads_mutex_); -        running_threads_++; -      } - -      fn(); - -      { -        std::lock_guard<std::mutex> guard(running_threads_mutex_); -        running_threads_--; -      } -    }).detach(); -  } - -  virtual void shutdown() override { -    for (;;) { -      std::this_thread::sleep_for(std::chrono::milliseconds(10)); -      std::lock_guard<std::mutex> guard(running_threads_mutex_); -      if (!running_threads_) { break; } -    } -  } -private: -  std::mutex running_threads_mutex_; -  int running_threads_; -}; -#endif +using Logger = std::function<void(const Request &, const Response &)>;  class Server {  public: -  typedef std::function<void(const Request &, Response &)> Handler; -  typedef std::function<void(const Request &, const Response &)> Logger; +  using Handler = std::function<void(const Request &, Response &)>; +  using HandlerWithContentReader = std::function<void( +      const Request &, Response &, const ContentReader &content_reader)>; +  using Expect100ContinueHandler = +      std::function<int(const Request &, Response &)>;    Server(); @@ -468,21 +455,32 @@ public:    Server &Get(const char *pattern, Handler handler);    Server &Post(const char *pattern, Handler handler); - +  Server &Post(const char *pattern, HandlerWithContentReader handler);    Server &Put(const char *pattern, Handler handler); +  Server &Put(const char *pattern, HandlerWithContentReader handler);    Server &Patch(const char *pattern, Handler handler); +  Server &Patch(const char *pattern, HandlerWithContentReader handler);    Server &Delete(const char *pattern, Handler handler);    Server &Options(const char *pattern, Handler handler); -  bool set_base_dir(const char *path); +  [[deprecated]] bool set_base_dir(const char *dir, +                                   const char *mount_point = nullptr); +  bool set_mount_point(const char *mount_point, const char *dir); +  bool remove_mount_point(const char *mount_point); +  void set_file_extension_and_mimetype_mapping(const char *ext, +                                               const char *mime);    void set_file_request_handler(Handler handler);    void set_error_handler(Handler handler);    void set_logger(Logger logger); +  void set_expect_100_continue_handler(Expect100ContinueHandler handler); +    void set_keep_alive_max_count(size_t count); +  void set_read_timeout(time_t sec, time_t usec);    void set_payload_max_length(size_t length); +  bool bind_to_port(const char *host, int port, int socket_flags = 0);    int bind_to_any_port(const char *host, int socket_flags = 0);    bool listen_after_bind(); @@ -496,22 +494,29 @@ public:  protected:    bool process_request(Stream &strm, bool last_connection,                         bool &connection_close, -                       std::function<void(Request &)> setup_request); +                       const std::function<void(Request &)> &setup_request);    size_t keep_alive_max_count_; +  time_t read_timeout_sec_; +  time_t read_timeout_usec_;    size_t payload_max_length_;  private: -  typedef std::vector<std::pair<std::regex, Handler>> Handlers; +  using Handlers = std::vector<std::pair<std::regex, Handler>>; +  using HandlersForContentReader = +      std::vector<std::pair<std::regex, HandlerWithContentReader>>;    socket_t create_server_socket(const char *host, int port,                                  int socket_flags) const;    int bind_internal(const char *host, int port, int socket_flags);    bool listen_internal(); -  bool routing(Request &req, Response &res); -  bool handle_file_request(Request &req, Response &res); +  bool routing(Request &req, Response &res, Stream &strm, bool last_connection); +  bool handle_file_request(Request &req, Response &res, bool head = false);    bool dispatch_request(Request &req, Response &res, Handlers &handlers); +  bool dispatch_request_for_content_reader(Request &req, Response &res, +                                           ContentReader content_reader, +                                           HandlersForContentReader &handlers);    bool parse_request_line(const char *s, Request &req);    bool write_response(Stream &strm, bool last_connection, const Request &req, @@ -519,26 +524,43 @@ private:    bool write_content_with_provider(Stream &strm, const Request &req,                                     Response &res, const std::string &boundary,                                     const std::string &content_type); +  bool read_content(Stream &strm, bool last_connection, Request &req, +                    Response &res); +  bool read_content_with_content_receiver( +      Stream &strm, bool last_connection, Request &req, Response &res, +      ContentReceiver receiver, MultipartContentHeader multipart_header, +      ContentReceiver multipart_receiver); +  bool read_content_core(Stream &strm, bool last_connection, Request &req, +                         Response &res, ContentReceiver receiver, +                         MultipartContentHeader mulitpart_header, +                         ContentReceiver multipart_receiver);    virtual bool process_and_close_socket(socket_t sock);    std::atomic<bool> is_running_;    std::atomic<socket_t> svr_sock_; -  std::string base_dir_; +  std::vector<std::pair<std::string, std::string>> base_dirs_; +  std::map<std::string, std::string> file_extension_and_mimetype_map_;    Handler file_request_handler_;    Handlers get_handlers_;    Handlers post_handlers_; +  HandlersForContentReader post_handlers_for_content_reader_;    Handlers put_handlers_; +  HandlersForContentReader put_handlers_for_content_reader_;    Handlers patch_handlers_; +  HandlersForContentReader patch_handlers_for_content_reader_;    Handlers delete_handlers_;    Handlers options_handlers_;    Handler error_handler_;    Logger logger_; +  Expect100ContinueHandler expect_100_continue_handler_;  };  class Client {  public: -  Client(const char *host, int port = 80, time_t timeout_sec = 300); +  explicit Client(const std::string &host, int port = 80, +                  const std::string &client_cert_path = std::string(), +                  const std::string &client_key_path = std::string());    virtual ~Client(); @@ -586,6 +608,15 @@ public:                                   const std::string &body,                                   const char *content_type); +  std::shared_ptr<Response> Post(const char *path, size_t content_length, +                                 ContentProvider content_provider, +                                 const char *content_type); + +  std::shared_ptr<Response> Post(const char *path, const Headers &headers, +                                 size_t content_length, +                                 ContentProvider content_provider, +                                 const char *content_type); +    std::shared_ptr<Response> Post(const char *path, const Params ¶ms);    std::shared_ptr<Response> Post(const char *path, const Headers &headers, @@ -604,6 +635,20 @@ public:                                  const std::string &body,                                  const char *content_type); +  std::shared_ptr<Response> Put(const char *path, size_t content_length, +                                ContentProvider content_provider, +                                const char *content_type); + +  std::shared_ptr<Response> Put(const char *path, const Headers &headers, +                                size_t content_length, +                                ContentProvider content_provider, +                                const char *content_type); + +  std::shared_ptr<Response> Put(const char *path, const Params ¶ms); + +  std::shared_ptr<Response> Put(const char *path, const Headers &headers, +                                const Params ¶ms); +    std::shared_ptr<Response> Patch(const char *path, const std::string &body,                                    const char *content_type); @@ -611,6 +656,15 @@ public:                                    const std::string &body,                                    const char *content_type); +  std::shared_ptr<Response> Patch(const char *path, size_t content_length, +                                  ContentProvider content_provider, +                                  const char *content_type); + +  std::shared_ptr<Response> Patch(const char *path, const Headers &headers, +                                  size_t content_length, +                                  ContentProvider content_provider, +                                  const char *content_type); +    std::shared_ptr<Response> Delete(const char *path);    std::shared_ptr<Response> Delete(const char *path, const std::string &body, @@ -631,9 +685,33 @@ public:    bool send(const std::vector<Request> &requests,              std::vector<Response> &responses); +  void set_timeout_sec(time_t timeout_sec); + +  void set_read_timeout(time_t sec, time_t usec); +    void set_keep_alive_max_count(size_t count); -  void follow_location(bool on); +  void set_basic_auth(const char *username, const char *password); + +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT +  void set_digest_auth(const char *username, const char *password); +#endif + +  void set_follow_location(bool on); + +  void set_compress(bool on); + +  void set_interface(const char *intf); + +  void set_proxy(const char *host, int port); + +  void set_proxy_basic_auth(const char *username, const char *password); + +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT +  void set_proxy_digest_auth(const char *username, const char *password); +#endif + +  void set_logger(Logger logger);  protected:    bool process_request(Stream &strm, const Request &req, Response &res, @@ -641,16 +719,85 @@ protected:    const std::string host_;    const int port_; -  time_t timeout_sec_;    const std::string host_and_port_; -  size_t keep_alive_max_count_; -  size_t follow_location_; + +  // Settings +  std::string client_cert_path_; +  std::string client_key_path_; + +  time_t timeout_sec_ = 300; +  time_t read_timeout_sec_ = CPPHTTPLIB_READ_TIMEOUT_SECOND; +  time_t read_timeout_usec_ = CPPHTTPLIB_READ_TIMEOUT_USECOND; + +  size_t keep_alive_max_count_ = CPPHTTPLIB_KEEPALIVE_MAX_COUNT; + +  std::string basic_auth_username_; +  std::string basic_auth_password_; +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT +  std::string digest_auth_username_; +  std::string digest_auth_password_; +#endif + +  bool follow_location_ = false; + +  bool compress_ = false; + +  std::string interface_; + +  std::string proxy_host_; +  int proxy_port_; + +  std::string proxy_basic_auth_username_; +  std::string proxy_basic_auth_password_; +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT +  std::string proxy_digest_auth_username_; +  std::string proxy_digest_auth_password_; +#endif + +  Logger logger_; + +  void copy_settings(const Client &rhs) { +    client_cert_path_ = rhs.client_cert_path_; +    client_key_path_ = rhs.client_key_path_; +    timeout_sec_ = rhs.timeout_sec_; +    read_timeout_sec_ = rhs.read_timeout_sec_; +    read_timeout_usec_ = rhs.read_timeout_usec_; +    keep_alive_max_count_ = rhs.keep_alive_max_count_; +    basic_auth_username_ = rhs.basic_auth_username_; +    basic_auth_password_ = rhs.basic_auth_password_; +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT +    digest_auth_username_ = rhs.digest_auth_username_; +    digest_auth_password_ = rhs.digest_auth_password_; +#endif +    follow_location_ = rhs.follow_location_; +    compress_ = rhs.compress_; +    interface_ = rhs.interface_; +    proxy_host_ = rhs.proxy_host_; +    proxy_port_ = rhs.proxy_port_; +    proxy_basic_auth_username_ = rhs.proxy_basic_auth_username_; +    proxy_basic_auth_password_ = rhs.proxy_basic_auth_password_; +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT +    proxy_digest_auth_username_ = rhs.proxy_digest_auth_username_; +    proxy_digest_auth_password_ = rhs.proxy_digest_auth_password_; +#endif +    logger_ = rhs.logger_; +  }  private:    socket_t create_client_socket() const;    bool read_response_line(Stream &strm, Response &res); -  void write_request(Stream &strm, const Request &req, bool last_connection); +  bool write_request(Stream &strm, const Request &req, bool last_connection);    bool redirect(const Request &req, Response &res); +  bool handle_request(Stream &strm, const Request &req, Response &res, +                      bool last_connection, bool &connection_close); +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT +  bool connect(socket_t sock, Response &res, bool &error); +#endif + +  std::shared_ptr<Response> send_with_content_provider( +      const char *method, const char *path, const Headers &headers, +      const std::string &body, size_t content_length, +      ContentProvider content_provider, const char *content_type);    virtual bool process_and_close_socket(        socket_t sock, size_t request_count, @@ -692,22 +839,6 @@ inline void Post(std::vector<Request> &requests, const char *path,  }  #ifdef CPPHTTPLIB_OPENSSL_SUPPORT -class SSLSocketStream : public Stream { -public: -  SSLSocketStream(socket_t sock, SSL *ssl); -  virtual ~SSLSocketStream(); - -  virtual int read(char *ptr, size_t size); -  virtual int write(const char *ptr, size_t size); -  virtual int write(const char *ptr); -  virtual int write(const std::string &s); -  virtual std::string get_remote_addr() const; - -private: -  socket_t sock_; -  SSL *ssl_; -}; -  class SSLServer : public Server {  public:    SSLServer(const char *cert_path, const char *private_key_path, @@ -727,9 +858,9 @@ private:  class SSLClient : public Client {  public: -  SSLClient(const char *host, int port = 443, time_t timeout_sec = 300, -            const char *client_cert_path = nullptr, -            const char *client_key_path = nullptr); +  SSLClient(const std::string &host, int port = 443, +            const std::string &client_cert_path = std::string(), +            const std::string &client_key_path = std::string());    virtual ~SSLClient(); @@ -737,11 +868,12 @@ public:    void set_ca_cert_path(const char *ca_ceert_file_path,                          const char *ca_cert_dir_path = nullptr); +    void enable_server_certificate_verification(bool enabled);    long get_openssl_verify_result() const; -  SSL_CTX* ssl_context() const noexcept; +  SSL_CTX *ssl_context() const noexcept;  private:    virtual bool process_and_close_socket( @@ -759,6 +891,7 @@ private:    SSL_CTX *ctx_;    std::mutex ctx_mutex_;    std::vector<std::string> host_components_; +    std::string ca_cert_file_path_;    std::string ca_cert_dir_path_;    bool server_certificate_verification_ = false; @@ -766,9 +899,12 @@ private:  };  #endif +// ---------------------------------------------------------------------------- +  /*   * Implementation   */ +  namespace detail {  inline bool is_hex(char c, int &v) { @@ -932,8 +1068,8 @@ inline void read_file(const std::string &path, std::string &out) {  inline std::string file_extension(const std::string &path) {    std::smatch m; -  auto pat = std::regex("\\.([a-zA-Z0-9]+)$"); -  if (std::regex_search(path, m, pat)) { return m[1].str(); } +  static auto re = std::regex("\\.([a-zA-Z0-9]+)$"); +  if (std::regex_search(path, m, re)) { return m[1].str(); }    return std::string();  } @@ -976,6 +1112,11 @@ public:      }    } +  bool end_with_crlf() const { +    auto end = ptr() + size(); +    return size() >= 2 && end[-2] == '\r' && end[-1] == '\n'; +  } +    bool getline() {      fixed_buffer_used_size_ = 0;      glowable_buffer_.clear(); @@ -1019,7 +1160,7 @@ private:    Stream &strm_;    char *fixed_buffer_;    const size_t fixed_buffer_size_; -  size_t fixed_buffer_used_size_; +  size_t fixed_buffer_used_size_ = 0;    std::string glowable_buffer_;  }; @@ -1053,6 +1194,28 @@ inline int select_read(socket_t sock, time_t sec, time_t usec) {  #endif  } +inline int select_write(socket_t sock, time_t sec, time_t usec) { +#ifdef CPPHTTPLIB_USE_POLL +  struct pollfd pfd_read; +  pfd_read.fd = sock; +  pfd_read.events = POLLOUT; + +  auto timeout = static_cast<int>(sec * 1000 + usec / 1000); + +  return poll(&pfd_read, 1, timeout); +#else +  fd_set fds; +  FD_ZERO(&fds); +  FD_SET(sock, &fds); + +  timeval tv; +  tv.tv_sec = static_cast<long>(sec); +  tv.tv_usec = static_cast<long>(usec); + +  return select(static_cast<int>(sock + 1), nullptr, &fds, nullptr, &tv); +#endif +} +  inline bool wait_until_socket_is_ready(socket_t sock, time_t sec, time_t usec) {  #ifdef CPPHTTPLIB_USE_POLL    struct pollfd pfd_read; @@ -1065,7 +1228,8 @@ inline bool wait_until_socket_is_ready(socket_t sock, time_t sec, time_t usec) {        pfd_read.revents & (POLLIN | POLLOUT)) {      int error = 0;      socklen_t len = sizeof(error); -    return getsockopt(sock, SOL_SOCKET, SO_ERROR, reinterpret_cast<char*>(&error), &len) >= 0 && +    return getsockopt(sock, SOL_SOCKET, SO_ERROR, +                      reinterpret_cast<char *>(&error), &len) >= 0 &&             !error;    }    return false; @@ -1085,27 +1249,86 @@ inline bool wait_until_socket_is_ready(socket_t sock, time_t sec, time_t usec) {        (FD_ISSET(sock, &fdsr) || FD_ISSET(sock, &fdsw))) {      int error = 0;      socklen_t len = sizeof(error); -    return getsockopt(sock, SOL_SOCKET, SO_ERROR, (char *)&error, &len) >= 0 && +    return getsockopt(sock, SOL_SOCKET, SO_ERROR, +                      reinterpret_cast<char *>(&error), &len) >= 0 &&             !error;    }    return false;  #endif  } +class SocketStream : public Stream { +public: +  SocketStream(socket_t sock, time_t read_timeout_sec, +               time_t read_timeout_usec); +  ~SocketStream() override; + +  bool is_readable() const override; +  bool is_writable() const override; +  int read(char *ptr, size_t size) override; +  int write(const char *ptr, size_t size) override; +  std::string get_remote_addr() const override; + +private: +  socket_t sock_; +  time_t read_timeout_sec_; +  time_t read_timeout_usec_; +}; + +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT +class SSLSocketStream : public Stream { +public: +  SSLSocketStream(socket_t sock, SSL *ssl, time_t read_timeout_sec, +                  time_t read_timeout_usec); +  virtual ~SSLSocketStream(); + +  bool is_readable() const override; +  bool is_writable() const override; +  int read(char *ptr, size_t size) override; +  int write(const char *ptr, size_t size) override; +  std::string get_remote_addr() const override; + +private: +  socket_t sock_; +  SSL *ssl_; +  time_t read_timeout_sec_; +  time_t read_timeout_usec_; +}; +#endif + +class BufferStream : public Stream { +public: +  BufferStream() = default; +  ~BufferStream() override = default; + +  bool is_readable() const override; +  bool is_writable() const override; +  int read(char *ptr, size_t size) override; +  int write(const char *ptr, size_t size) override; +  std::string get_remote_addr() const override; + +  const std::string &get_buffer() const; + +private: +  std::string buffer; +  int position = 0; +}; +  template <typename T> -inline bool process_and_close_socket(bool is_client_request, socket_t sock, -                                     size_t keep_alive_max_count, T callback) { +inline bool process_socket(bool is_client_request, socket_t sock, +                           size_t keep_alive_max_count, time_t read_timeout_sec, +                           time_t read_timeout_usec, T callback) {    assert(keep_alive_max_count > 0); -  bool ret = false; +  auto ret = false;    if (keep_alive_max_count > 1) {      auto count = keep_alive_max_count;      while (count > 0 &&             (is_client_request || -            detail::select_read(sock, CPPHTTPLIB_KEEPALIVE_TIMEOUT_SECOND, -                                CPPHTTPLIB_KEEPALIVE_TIMEOUT_USECOND) > 0)) { -      SocketStream strm(sock); +            select_read(sock, CPPHTTPLIB_KEEPALIVE_TIMEOUT_SECOND, +                        CPPHTTPLIB_KEEPALIVE_TIMEOUT_USECOND) > 0)) { +      SocketStream strm(sock, read_timeout_sec, read_timeout_usec);        auto last_connection = count == 1;        auto connection_close = false; @@ -1114,12 +1337,22 @@ inline bool process_and_close_socket(bool is_client_request, socket_t sock,        count--;      } -  } else { -    SocketStream strm(sock); +  } else { // keep_alive_max_count  is 0 or 1 +    SocketStream strm(sock, read_timeout_sec, read_timeout_usec);      auto dummy_connection_close = false;      ret = callback(strm, true, dummy_connection_close);    } +  return ret; +} + +template <typename T> +inline bool process_and_close_socket(bool is_client_request, socket_t sock, +                                     size_t keep_alive_max_count, +                                     time_t read_timeout_sec, +                                     time_t read_timeout_usec, T callback) { +  auto ret = process_socket(is_client_request, sock, keep_alive_max_count, +                            read_timeout_sec, read_timeout_usec, callback);    close_socket(sock);    return ret;  } @@ -1165,6 +1398,23 @@ socket_t create_socket(const char *host, int port, Fn fn,  #ifdef _WIN32      auto sock = WSASocketW(rp->ai_family, rp->ai_socktype, rp->ai_protocol,                             nullptr, 0, WSA_FLAG_NO_HANDLE_INHERIT); +    /** +     * Since the WSA_FLAG_NO_HANDLE_INHERIT is only supported on Windows 7 SP1 +     * and above the socket creation fails on older Windows Systems. +     * +     * Let's try to create a socket the old way in this case. +     * +     * Reference: +     * https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-wsasocketa +     * +     * WSA_FLAG_NO_HANDLE_INHERIT: +     * This flag is supported on Windows 7 with SP1, Windows Server 2008 R2 with +     * SP1, and later +     * +     */ +    if (sock == INVALID_SOCKET) { +      sock = socket(rp->ai_family, rp->ai_socktype, rp->ai_protocol); +    }  #else      auto sock = socket(rp->ai_family, rp->ai_socktype, rp->ai_protocol);  #endif @@ -1176,9 +1426,11 @@ socket_t create_socket(const char *host, int port, Fn fn,      // Make 'reuse address' option available      int yes = 1; -    setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, reinterpret_cast<char*>(&yes), sizeof(yes)); +    setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, reinterpret_cast<char *>(&yes), +               sizeof(yes));  #ifdef SO_REUSEPORT -    setsockopt(sock, SOL_SOCKET, SO_REUSEPORT, reinterpret_cast<char*>(&yes), sizeof(yes)); +    setsockopt(sock, SOL_SOCKET, SO_REUSEPORT, reinterpret_cast<char *>(&yes), +               sizeof(yes));  #endif      // bind or connect @@ -1213,27 +1465,105 @@ inline bool is_connection_error() {  #endif  } +inline bool bind_ip_address(socket_t sock, const char *host) { +  struct addrinfo hints; +  struct addrinfo *result; + +  memset(&hints, 0, sizeof(struct addrinfo)); +  hints.ai_family = AF_UNSPEC; +  hints.ai_socktype = SOCK_STREAM; +  hints.ai_protocol = 0; + +  if (getaddrinfo(host, "0", &hints, &result)) { return false; } + +  auto ret = false; +  for (auto rp = result; rp; rp = rp->ai_next) { +    const auto &ai = *rp; +    if (!::bind(sock, ai.ai_addr, static_cast<int>(ai.ai_addrlen))) { +      ret = true; +      break; +    } +  } + +  freeaddrinfo(result); +  return ret; +} + +inline std::string if2ip(const std::string &ifn) { +#ifndef _WIN32 +  struct ifaddrs *ifap; +  getifaddrs(&ifap); +  for (auto ifa = ifap; ifa; ifa = ifa->ifa_next) { +    if (ifa->ifa_addr && ifn == ifa->ifa_name) { +      if (ifa->ifa_addr->sa_family == AF_INET) { +        auto sa = reinterpret_cast<struct sockaddr_in *>(ifa->ifa_addr); +        char buf[INET_ADDRSTRLEN]; +        if (inet_ntop(AF_INET, &sa->sin_addr, buf, INET_ADDRSTRLEN)) { +          freeifaddrs(ifap); +          return std::string(buf, INET_ADDRSTRLEN); +        } +      } +    } +  } +  freeifaddrs(ifap); +#endif +  return std::string(); +} + +inline socket_t create_client_socket(const char *host, int port, +                                     time_t timeout_sec, +                                     const std::string &intf) { +  return create_socket( +      host, port, [&](socket_t sock, struct addrinfo &ai) -> bool { +        if (!intf.empty()) { +          auto ip = if2ip(intf); +          if (ip.empty()) { ip = intf; } +          if (!bind_ip_address(sock, ip.c_str())) { return false; } +        } + +        set_nonblocking(sock, true); + +        auto ret = ::connect(sock, ai.ai_addr, static_cast<int>(ai.ai_addrlen)); +        if (ret < 0) { +          if (is_connection_error() || +              !wait_until_socket_is_ready(sock, timeout_sec, 0)) { +            close_socket(sock); +            return false; +          } +        } + +        set_nonblocking(sock, false); +        return true; +      }); +} +  inline std::string get_remote_addr(socket_t sock) {    struct sockaddr_storage addr;    socklen_t len = sizeof(addr);    if (!getpeername(sock, reinterpret_cast<struct sockaddr *>(&addr), &len)) { -    char ipstr[NI_MAXHOST]; +    std::array<char, NI_MAXHOST> ipstr{}; -    if (!getnameinfo(reinterpret_cast<struct sockaddr *>(&addr), len, ipstr, sizeof(ipstr), -                     nullptr, 0, NI_NUMERICHOST)) { -      return ipstr; +    if (!getnameinfo(reinterpret_cast<struct sockaddr *>(&addr), len, +                     ipstr.data(), static_cast<unsigned int>(ipstr.size()), nullptr, 0, NI_NUMERICHOST)) { +      return ipstr.data();      }    }    return std::string();  } -inline const char *find_content_type(const std::string &path) { +inline const char * +find_content_type(const std::string &path, +                  const std::map<std::string, std::string> &user_data) {    auto ext = file_extension(path); + +  auto it = user_data.find(ext); +  if (it != user_data.end()) { return it->second.c_str(); } +    if (ext == "txt") {      return "text/plain"; -  } else if (ext == "html") { +  } else if (ext == "html" || ext == "htm") {      return "text/html";    } else if (ext == "css") {      return "text/css"; @@ -1253,6 +1583,8 @@ inline const char *find_content_type(const std::string &path) {      return "application/pdf";    } else if (ext == "js") {      return "application/javascript"; +  } else if (ext == "wasm") { +    return "application/wasm";    } else if (ext == "xml") {      return "application/xml";    } else if (ext == "xhtml") { @@ -1263,19 +1595,25 @@ inline const char *find_content_type(const std::string &path) {  inline const char *status_message(int status) {    switch (status) { +  case 100: return "Continue";    case 200: return "OK"; +  case 202: return "Accepted"; +  case 204: return "No Content";    case 206: return "Partial Content";    case 301: return "Moved Permanently";    case 302: return "Found";    case 303: return "See Other";    case 304: return "Not Modified";    case 400: return "Bad Request"; +  case 401: return "Unauthorized";    case 403: return "Forbidden";    case 404: return "Not Found";    case 413: return "Payload Too Large";    case 414: return "Request-URI Too Long";    case 415: return "Unsupported Media Type";    case 416: return "Range Not Satisfiable"; +  case 417: return "Expectation Failed"; +  case 503: return "Service Unavailable";    default:    case 500: return "Internal Server Error"; @@ -1302,18 +1640,18 @@ inline bool compress(std::string &content) {    if (ret != Z_OK) { return false; }    strm.avail_in = content.size(); -  strm.next_in = const_cast<Bytef*>(reinterpret_cast<const Bytef*>(content.data())); +  strm.next_in = +      const_cast<Bytef *>(reinterpret_cast<const Bytef *>(content.data()));    std::string compressed; -  const auto bufsiz = 16384; -  char buff[bufsiz]; +  std::array<char, 16384> buff{};    do { -    strm.avail_out = bufsiz; -    strm.next_out = reinterpret_cast<Bytef*>(buff); +    strm.avail_out = buff.size(); +    strm.next_out = reinterpret_cast<Bytef *>(buff.data());      ret = deflate(&strm, Z_FINISH);      assert(ret != Z_STREAM_ERROR); -    compressed.append(buff, bufsiz - strm.avail_out); +    compressed.append(buff.data(), buff.size() - strm.avail_out);    } while (strm.avail_out == 0);    assert(ret == Z_STREAM_END); @@ -1347,13 +1685,12 @@ public:      int ret = Z_OK;      strm.avail_in = data_length; -    strm.next_in = const_cast<Bytef*>(reinterpret_cast<const Bytef *>(data)); +    strm.next_in = const_cast<Bytef *>(reinterpret_cast<const Bytef *>(data)); -    const auto bufsiz = 16384; -    char buff[bufsiz]; +    std::array<char, 16384> buff{};      do { -      strm.avail_out = bufsiz; -      strm.next_out = reinterpret_cast<Bytef*>(buff); +      strm.avail_out = buff.size(); +      strm.next_out = reinterpret_cast<Bytef *>(buff.data());        ret = inflate(&strm, Z_NO_FLUSH);        assert(ret != Z_STREAM_ERROR); @@ -1363,10 +1700,12 @@ public:        case Z_MEM_ERROR: inflateEnd(&strm); return false;        } -      if (!callback(buff, bufsiz - strm.avail_out)) { return false; } +      if (!callback(buff.data(), buff.size() - strm.avail_out)) { +        return false; +      }      } while (strm.avail_out == 0); -    return ret == Z_STREAM_END; +    return ret == Z_OK || ret == Z_STREAM_END;    }  private: @@ -1397,18 +1736,35 @@ inline uint64_t get_header_value_uint64(const Headers &headers, const char *key,  }  inline bool read_headers(Stream &strm, Headers &headers) { -  static std::regex re(R"((.+?):\s*(.+?)\s*\r\n)"); -    const auto bufsiz = 2048;    char buf[bufsiz]; - -  stream_line_reader reader(strm, buf, bufsiz); +  stream_line_reader line_reader(strm, buf, bufsiz);    for (;;) { -    if (!reader.getline()) { return false; } -    if (!strcmp(reader.ptr(), "\r\n")) { break; } +    if (!line_reader.getline()) { return false; } + +    // Check if the line ends with CRLF. +    if (line_reader.end_with_crlf()) { +      // Blank line indicates end of headers. +      if (line_reader.size() == 2) { break; } +    } else { +      continue; // Skip invalid line. +    } + +    // Skip trailing spaces and tabs. +    auto end = line_reader.ptr() + line_reader.size() - 2; +    while (line_reader.ptr() < end && (end[-1] == ' ' || end[-1] == '\t')) { +      end--; +    } + +    // Horizontal tab and ' ' are considered whitespace and are ignored when on +    // the left or right side of the header value: +    //  - https://stackoverflow.com/questions/50179659/ +    //  - https://www.w3.org/Protocols/rfc2616/rfc2616-sec4.html +    static const std::regex re(R"((.+?):[\t ]*(.+))"); +      std::cmatch m; -    if (std::regex_match(reader.ptr(), m, re)) { +    if (std::regex_match(line_reader.ptr(), end, m, re)) {        auto key = std::string(m[1]);        auto val = std::string(m[2]);        headers.emplace(key, val); @@ -1418,12 +1774,8 @@ inline bool read_headers(Stream &strm, Headers &headers) {    return true;  } -typedef std::function<bool(const char *data, size_t data_length)> -    ContentReceiverCore; -  inline bool read_content_with_length(Stream &strm, uint64_t len, -                                     Progress progress, -                                     ContentReceiverCore out) { +                                     Progress progress, ContentReceiver out) {    char buf[CPPHTTPLIB_RECV_BUFSIZ];    uint64_t r = 0; @@ -1455,7 +1807,7 @@ inline void skip_content_with_length(Stream &strm, uint64_t len) {    }  } -inline bool read_content_without_length(Stream &strm, ContentReceiverCore out) { +inline bool read_content_without_length(Stream &strm, ContentReceiver out) {    char buf[CPPHTTPLIB_RECV_BUFSIZ];    for (;;) {      auto n = strm.read(buf, CPPHTTPLIB_RECV_BUFSIZ); @@ -1470,33 +1822,34 @@ inline bool read_content_without_length(Stream &strm, ContentReceiverCore out) {    return true;  } -inline bool read_content_chunked(Stream &strm, ContentReceiverCore out) { +inline bool read_content_chunked(Stream &strm, ContentReceiver out) {    const auto bufsiz = 16;    char buf[bufsiz]; -  stream_line_reader reader(strm, buf, bufsiz); +  stream_line_reader line_reader(strm, buf, bufsiz); -  if (!reader.getline()) { return false; } +  if (!line_reader.getline()) { return false; } -  auto chunk_len = std::stoi(reader.ptr(), 0, 16); +  auto chunk_len = std::stoi(line_reader.ptr(), 0, 16);    while (chunk_len > 0) {      if (!read_content_with_length(strm, chunk_len, nullptr, out)) {        return false;      } -    if (!reader.getline()) { return false; } +    if (!line_reader.getline()) { return false; } -    if (strcmp(reader.ptr(), "\r\n")) { break; } +    if (strcmp(line_reader.ptr(), "\r\n")) { break; } -    if (!reader.getline()) { return false; } +    if (!line_reader.getline()) { return false; } -    chunk_len = std::stoi(reader.ptr(), 0, 16); +    chunk_len = std::stoi(line_reader.ptr(), 0, 16);    }    if (chunk_len == 0) {      // Reader terminator after chunks -    if (!reader.getline() || strcmp(reader.ptr(), "\r\n")) return false; +    if (!line_reader.getline() || strcmp(line_reader.ptr(), "\r\n")) +      return false;    }    return true; @@ -1509,14 +1862,14 @@ inline bool is_chunked_transfer_encoding(const Headers &headers) {  template <typename T>  bool read_content(Stream &strm, T &x, size_t payload_max_length, int &status, -                  Progress progress, ContentReceiverCore receiver) { +                  Progress progress, ContentReceiver receiver) { -  ContentReceiverCore out = [&](const char *buf, size_t n) { +  ContentReceiver out = [&](const char *buf, size_t n) {      return receiver(buf, n);    };  #ifdef CPPHTTPLIB_ZLIB_SUPPORT -  detail::decompressor decompressor; +  decompressor decompressor;    if (!decompressor.is_valid()) {      status = 500; @@ -1586,39 +1939,47 @@ inline ssize_t write_content(Stream &strm, ContentProvider content_provider,    size_t end_offset = offset + length;    while (offset < end_offset) {      ssize_t written_length = 0; -    content_provider( -        offset, end_offset - offset, -        [&](const char *d, size_t l) { -          offset += l; -          written_length = strm.write(d, l); -        }, -        [&](void) { written_length = -1; }); + +    DataSink data_sink; +    data_sink.write = [&](const char *d, size_t l) { +      offset += l; +      written_length = strm.write(d, l); +    }; +    data_sink.done = [&](void) { written_length = -1; }; +    data_sink.is_writable = [&](void) { return strm.is_writable(); }; + +    content_provider(offset, end_offset - offset, data_sink);      if (written_length < 0) { return written_length; }    }    return static_cast<ssize_t>(offset - begin_offset);  } +template <typename T>  inline ssize_t write_content_chunked(Stream &strm, -                                     ContentProvider content_provider) { +                                     ContentProvider content_provider, +                                     T is_shutting_down) {    size_t offset = 0;    auto data_available = true;    ssize_t total_written_length = 0; -  while (data_available) { +  while (data_available && !is_shutting_down()) {      ssize_t written_length = 0; -    content_provider( -        offset, 0, -        [&](const char *d, size_t l) { -          data_available = l > 0; -          offset += l; - -          // Emit chunked response header and footer for each chunk -          auto chunk = from_i_to_hex(l) + "\r\n" + std::string(d, l) + "\r\n"; -          written_length = strm.write(chunk); -        }, -        [&](void) { -          data_available = false; -          written_length = strm.write("0\r\n\r\n"); -        }); + +    DataSink data_sink; +    data_sink.write = [&](const char *d, size_t l) { +      data_available = l > 0; +      offset += l; + +      // Emit chunked response header and footer for each chunk +      auto chunk = from_i_to_hex(l) + "\r\n" + std::string(d, l) + "\r\n"; +      written_length = strm.write(chunk); +    }; +    data_sink.done = [&](void) { +      data_available = false; +      written_length = strm.write("0\r\n\r\n"); +    }; +    data_sink.is_writable = [&](void) { return strm.is_writable(); }; + +    content_provider(offset, 0, data_sink);      if (written_length < 0) { return written_length; }      total_written_length += written_length; @@ -1629,17 +1990,12 @@ inline ssize_t write_content_chunked(Stream &strm,  template <typename T>  inline bool redirect(T &cli, const Request &req, Response &res,                       const std::string &path) { -  Request new_req; -  new_req.method = req.method; +  Request new_req = req;    new_req.path = path; -  new_req.headers = req.headers; -  new_req.body = req.body; -  new_req.redirect_count = req.redirect_count - 1; -  new_req.response_handler = req.response_handler; -  new_req.content_receiver = req.content_receiver; -  new_req.progress = req.progress; +  new_req.redirect_count -= 1;    Response new_res; +    auto ret = cli.send(new_req, new_res);    if (ret) { res = new_res; }    return ret; @@ -1656,7 +2012,7 @@ inline std::string encode_url(const std::string &s) {      case '\n': result += "%0A"; break;      case '\'': result += "%27"; break;      case ',': result += "%2C"; break; -    case ':': result += "%3A"; break; +    // case ':': result += "%3A"; break; // ok? probably...      case ';': result += "%3B"; break;      default:        auto c = static_cast<uint8_t>(s[i]); @@ -1716,11 +2072,11 @@ inline void parse_query_text(const std::string &s, Params ¶ms) {    split(&s[0], &s[s.size()], '&', [&](const char *b, const char *e) {      std::string key;      std::string val; -    split(b, e, '=', [&](const char *b, const char *e) { +    split(b, e, '=', [&](const char *b2, const char *e2) {        if (key.empty()) { -        key.assign(b, e); +        key.assign(b2, e2);        } else { -        val.assign(b, e); +        val.assign(b2, e2);        }      });      params.emplace(key, decode_url(val)); @@ -1736,112 +2092,207 @@ inline bool parse_multipart_boundary(const std::string &content_type,    return true;  } -inline bool parse_multipart_formdata(const std::string &boundary, -                                     const std::string &body, -                                     MultipartFiles &files) { -  static std::string dash = "--"; -  static std::string crlf = "\r\n"; - -  static std::regex re_content_type("Content-Type: (.*?)", -                                    std::regex_constants::icase); - -  static std::regex re_content_disposition( -      "Content-Disposition: form-data; name=\"(.*?)\"(?:; filename=\"(.*?)\")?", -      std::regex_constants::icase); - -  auto dash_boundary = dash + boundary; - -  auto pos = body.find(dash_boundary); -  if (pos != 0) { return false; } - -  pos += dash_boundary.size(); +inline bool parse_range_header(const std::string &s, Ranges &ranges) { +  static auto re_first_range = std::regex(R"(bytes=(\d*-\d*(?:,\s*\d*-\d*)*))"); +  std::smatch m; +  if (std::regex_match(s, m, re_first_range)) { +    auto pos = m.position(1); +    auto len = m.length(1); +    bool all_valid_ranges = true; +    split(&s[pos], &s[pos + len], ',', [&](const char *b, const char *e) { +      if (!all_valid_ranges) return; +      static auto re_another_range = std::regex(R"(\s*(\d*)-(\d*))"); +      std::cmatch cm; +      if (std::regex_match(b, e, cm, re_another_range)) { +        ssize_t first = -1; +        if (!cm.str(1).empty()) { +          first = static_cast<ssize_t>(std::stoll(cm.str(1))); +        } -  auto next_pos = body.find(crlf, pos); -  if (next_pos == std::string::npos) { return false; } +        ssize_t last = -1; +        if (!cm.str(2).empty()) { +          last = static_cast<ssize_t>(std::stoll(cm.str(2))); +        } -  pos = next_pos + crlf.size(); +        if (first != -1 && last != -1 && first > last) { +          all_valid_ranges = false; +          return; +        } +        ranges.emplace_back(std::make_pair(first, last)); +      } +    }); +    return all_valid_ranges; +  } +  return false; +} -  while (pos < body.size()) { -    next_pos = body.find(crlf, pos); -    if (next_pos == std::string::npos) { return false; } +class MultipartFormDataParser { +public: +  MultipartFormDataParser() {} -    std::string name; -    MultipartFile file; +  void set_boundary(const std::string &boundary) { boundary_ = boundary; } -    auto header = body.substr(pos, (next_pos - pos)); +  bool is_valid() const { return is_valid_; } -    while (pos != next_pos) { -      std::smatch m; -      if (std::regex_match(header, m, re_content_type)) { -        file.content_type = m[1]; -      } else if (std::regex_match(header, m, re_content_disposition)) { -        name = m[1]; -        file.filename = m[2]; +  template <typename T, typename U> +  bool parse(const char *buf, size_t n, T content_callback, U header_callback) { +    static const std::regex re_content_type(R"(^Content-Type:\s*(.*?)\s*$)", +                                            std::regex_constants::icase); + +    static const std::regex re_content_disposition( +        "^Content-Disposition:\\s*form-data;\\s*name=\"(.*?)\"(?:;\\s*filename=" +        "\"(.*?)\")?\\s*$", +        std::regex_constants::icase); + +    buf_.append(buf, n); // TODO: performance improvement + +    while (!buf_.empty()) { +      switch (state_) { +      case 0: { // Initial boundary +        auto pattern = dash_ + boundary_ + crlf_; +        if (pattern.size() > buf_.size()) { return true; } +        auto pos = buf_.find(pattern); +        if (pos != 0) { +          is_done_ = true; +          return false; +        } +        buf_.erase(0, pattern.size()); +        off_ += pattern.size(); +        state_ = 1; +        break;        } +      case 1: { // New entry +        clear_file_info(); +        state_ = 2; +        break; +      } +      case 2: { // Headers +        auto pos = buf_.find(crlf_); +        while (pos != std::string::npos) { +          // Empty line +          if (pos == 0) { +            if (!header_callback(file_)) { +              is_valid_ = false; +              is_done_ = false; +              return false; +            } +            buf_.erase(0, crlf_.size()); +            off_ += crlf_.size(); +            state_ = 3; +            break; +          } -      pos = next_pos + crlf.size(); - -      next_pos = body.find(crlf, pos); -      if (next_pos == std::string::npos) { return false; } - -      header = body.substr(pos, (next_pos - pos)); -    } - -    pos = next_pos + crlf.size(); +          auto header = buf_.substr(0, pos); +          { +            std::smatch m; +            if (std::regex_match(header, m, re_content_type)) { +              file_.content_type = m[1]; +            } else if (std::regex_match(header, m, re_content_disposition)) { +              file_.name = m[1]; +              file_.filename = m[2]; +            } +          } -    next_pos = body.find(crlf + dash_boundary, pos); +          buf_.erase(0, pos + crlf_.size()); +          off_ += pos + crlf_.size(); +          pos = buf_.find(crlf_); +        } +        break; +      } +      case 3: { // Body +        { +          auto pattern = crlf_ + dash_; +          if (pattern.size() > buf_.size()) { return true; } + +          auto pos = buf_.find(pattern); +          if (pos == std::string::npos) { pos = buf_.size(); } +          if (!content_callback(buf_.data(), pos)) { +            is_valid_ = false; +            is_done_ = false; +            return false; +          } -    if (next_pos == std::string::npos) { return false; } +          off_ += pos; +          buf_.erase(0, pos); +        } -    file.offset = pos; -    file.length = next_pos - pos; +        { +          auto pattern = crlf_ + dash_ + boundary_; +          if (pattern.size() > buf_.size()) { return true; } + +          auto pos = buf_.find(pattern); +          if (pos != std::string::npos) { +            if (!content_callback(buf_.data(), pos)) { +              is_valid_ = false; +              is_done_ = false; +              return false; +            } -    pos = next_pos + crlf.size() + dash_boundary.size(); +            off_ += pos + pattern.size(); +            buf_.erase(0, pos + pattern.size()); +            state_ = 4; +          } else { +            if (!content_callback(buf_.data(), pattern.size())) { +              is_valid_ = false; +              is_done_ = false; +              return false; +            } -    next_pos = body.find(crlf, pos); -    if (next_pos == std::string::npos) { return false; } +            off_ += pattern.size(); +            buf_.erase(0, pattern.size()); +          } +        } +        break; +      } +      case 4: { // Boundary +        if (crlf_.size() > buf_.size()) { return true; } +        if (buf_.find(crlf_) == 0) { +          buf_.erase(0, crlf_.size()); +          off_ += crlf_.size(); +          state_ = 1; +        } else { +          auto pattern = dash_ + crlf_; +          if (pattern.size() > buf_.size()) { return true; } +          if (buf_.find(pattern) == 0) { +            buf_.erase(0, pattern.size()); +            off_ += pattern.size(); +            is_valid_ = true; +            state_ = 5; +          } else { +            is_done_ = true; +            return true; +          } +        } +        break; +      } +      case 5: { // Done +        is_valid_ = false; +        return false; +      } +      } +    } -    files.emplace(name, file); +    return true; +  } -    pos = next_pos + crlf.size(); +private: +  void clear_file_info() { +    file_.name.clear(); +    file_.filename.clear(); +    file_.content_type.clear();    } -  return true; -} +  const std::string dash_ = "--"; +  const std::string crlf_ = "\r\n"; +  std::string boundary_; -inline bool parse_range_header(const std::string &s, Ranges &ranges) { -  try { -    static auto re = std::regex(R"(bytes=(\d*-\d*(?:,\s*\d*-\d*)*))"); -    std::smatch m; -    if (std::regex_match(s, m, re)) { -      auto pos = m.position(1); -      auto len = m.length(1); -      detail::split(&s[pos], &s[pos + len], ',', -                    [&](const char *b, const char *e) { -                      static auto re = std::regex(R"(\s*(\d*)-(\d*))"); -                      std::cmatch m; -                      if (std::regex_match(b, e, m, re)) { -                        ssize_t first = -1; -                        if (!m.str(1).empty()) { -                          first = static_cast<ssize_t>(std::stoll(m.str(1))); -                        } - -                        ssize_t last = -1; -                        if (!m.str(2).empty()) { -                          last = static_cast<ssize_t>(std::stoll(m.str(2))); -                        } - -                        if (first != -1 && last != -1 && first > last) { -                          throw std::runtime_error("invalid range error"); -                        } -                        ranges.emplace_back(std::make_pair(first, last)); -                      } -                    }); -      return true; -    } -    return false; -  } catch (...) { return false; } -} +  std::string buf_; +  size_t state_ = 0; +  size_t is_valid_ = false; +  size_t is_done_ = false; +  size_t off_ = 0; +  MultipartFormData file_; +};  inline std::string to_lower(const char *beg, const char *end) {    std::string out; @@ -1915,7 +2366,7 @@ bool process_multipart_ranges_data(const Request &req, Response &res,        ctoken("\r\n");      } -    auto offsets = detail::get_range_offset_and_length(req, res.body.size(), i); +    auto offsets = get_range_offset_and_length(req, res.body.size(), i);      auto offset = offsets.first;      auto length = offsets.second; @@ -1978,8 +2429,7 @@ inline bool write_multipart_ranges_data(Stream &strm, const Request &req,        [&](const std::string &token) { strm.write(token); },        [&](const char *token) { strm.write(token); },        [&](size_t offset, size_t length) { -        return detail::write_content(strm, res.content_provider, offset, -                                     length) >= 0; +        return write_content(strm, res.content_provider, offset, length) >= 0;        });  } @@ -1988,11 +2438,56 @@ get_range_offset_and_length(const Request &req, const Response &res,                              size_t index) {    auto r = req.ranges[index]; -  if (r.second == -1) { r.second = res.content_provider_resource_length - 1; } +  if (r.second == -1) { r.second = res.content_length - 1; }    return std::make_pair(r.first, r.second - r.first + 1);  } +inline bool expect_content(const Request &req) { +  if (req.method == "POST" || req.method == "PUT" || req.method == "PATCH" || +      req.method == "PRI") { +    return true; +  } +  // TODO: check if Content-Length is set +  return false; +} + +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT +template <typename CTX, typename Init, typename Update, typename Final> +inline std::string message_digest(const std::string &s, Init init, +                                  Update update, Final final, +                                  size_t digest_length) { +  using namespace std; + +  std::vector<unsigned char> md(digest_length, 0); +  CTX ctx; +  init(&ctx); +  update(&ctx, s.data(), s.size()); +  final(md.data(), &ctx); + +  stringstream ss; +  for (auto c : md) { +    ss << setfill('0') << setw(2) << hex << (unsigned int)c; +  } +  return ss.str(); +} + +inline std::string MD5(const std::string &s) { +  return message_digest<MD5_CTX>(s, MD5_Init, MD5_Update, MD5_Final, +                                 MD5_DIGEST_LENGTH); +} + +inline std::string SHA_256(const std::string &s) { +  return message_digest<SHA256_CTX>(s, SHA256_Init, SHA256_Update, SHA256_Final, +                                    SHA256_DIGEST_LENGTH); +} + +inline std::string SHA_512(const std::string &s) { +  return message_digest<SHA512_CTX>(s, SHA512_Init, SHA512_Update, SHA512_Final, +                                    SHA512_DIGEST_LENGTH); +} +#endif +  #ifdef _WIN32  class WSInit {  public: @@ -2025,9 +2520,103 @@ inline std::pair<std::string, std::string> make_range_header(Ranges ranges) {  inline std::pair<std::string, std::string>  make_basic_authentication_header(const std::string &username, -                                 const std::string &password) { +                                 const std::string &password, +                                 bool is_proxy = false) {    auto field = "Basic " + detail::base64_encode(username + ":" + password); -  return std::make_pair("Authorization", field); +  auto key = is_proxy ? "Proxy-Authorization" : "Authorization"; +  return std::make_pair(key, field); +} + +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT +inline std::pair<std::string, std::string> make_digest_authentication_header( +    const Request &req, const std::map<std::string, std::string> &auth, +    size_t cnonce_count, const std::string &cnonce, const std::string &username, +    const std::string &password, bool is_proxy = false) { +  using namespace std; + +  string nc; +  { +    stringstream ss; +    ss << setfill('0') << setw(8) << hex << cnonce_count; +    nc = ss.str(); +  } + +  auto qop = auth.at("qop"); +  if (qop.find("auth-int") != std::string::npos) { +    qop = "auth-int"; +  } else { +    qop = "auth"; +  } + +  std::string algo = "MD5"; +  if (auth.find("algorithm") != auth.end()) { algo = auth.at("algorithm"); } + +  string response; +  { +    auto H = algo == "SHA-256" +                 ? detail::SHA_256 +                 : algo == "SHA-512" ? detail::SHA_512 : detail::MD5; + +    auto A1 = username + ":" + auth.at("realm") + ":" + password; + +    auto A2 = req.method + ":" + req.path; +    if (qop == "auth-int") { A2 += ":" + H(req.body); } + +    response = H(H(A1) + ":" + auth.at("nonce") + ":" + nc + ":" + cnonce + +                 ":" + qop + ":" + H(A2)); +  } + +  auto field = "Digest username=\"hello\", realm=\"" + auth.at("realm") + +               "\", nonce=\"" + auth.at("nonce") + "\", uri=\"" + req.path + +               "\", algorithm=" + algo + ", qop=" + qop + ", nc=\"" + nc + +               "\", cnonce=\"" + cnonce + "\", response=\"" + response + "\""; + +  auto key = is_proxy ? "Proxy-Authorization" : "Authorization"; +  return std::make_pair(key, field); +} +#endif + +inline bool parse_www_authenticate(const httplib::Response &res, +                                   std::map<std::string, std::string> &auth, +                                   bool is_proxy) { +  auto auth_key = is_proxy ? "Proxy-Authenticate" : "WWW-Authenticate"; +  if (res.has_header(auth_key)) { +    static auto re = std::regex(R"~((?:(?:,\s*)?(.+?)=(?:"(.*?)"|([^,]*))))~"); +    auto s = res.get_header_value(auth_key); +    auto pos = s.find(' '); +    if (pos != std::string::npos) { +      auto type = s.substr(0, pos); +      if (type == "Basic") { +        return false; +      } else if (type == "Digest") { +        s = s.substr(pos + 1); +        auto beg = std::sregex_iterator(s.begin(), s.end(), re); +        for (auto i = beg; i != std::sregex_iterator(); ++i) { +          auto m = *i; +          auto key = s.substr(m.position(1), m.length(1)); +          auto val = m.length(2) > 0 ? s.substr(m.position(2), m.length(2)) +                                     : s.substr(m.position(3), m.length(3)); +          auth[key] = val; +        } +        return true; +      } +    } +  } +  return false; +} + +// https://stackoverflow.com/questions/440133/how-do-i-create-a-random-alpha-numeric-string-in-c/440240#answer-440240 +inline std::string random_string(size_t length) { +  auto randchar = []() -> char { +    const char charset[] = "0123456789" +                           "ABCDEFGHIJKLMNOPQRSTUVWXYZ" +                           "abcdefghijklmnopqrstuvwxyz"; +    const size_t max_index = (sizeof(charset) - 1); +    return charset[rand() % max_index]; +  }; +  std::string str(length, 0); +  std::generate_n(str.begin(), length, randchar); +  return str;  }  // Request implementation @@ -2068,14 +2657,19 @@ inline size_t Request::get_param_value_count(const char *key) const {    return std::distance(r.first, r.second);  } +inline bool Request::is_multipart_form_data() const { +  const auto &content_type = get_header_value("Content-Type"); +  return !content_type.find("multipart/form-data"); +} +  inline bool Request::has_file(const char *key) const {    return files.find(key) != files.end();  } -inline MultipartFile Request::get_file_value(const char *key) const { +inline MultipartFormData Request::get_file_value(const char *key) const {    auto it = files.find(key);    if (it != files.end()) { return it->second; } -  return MultipartFile(); +  return MultipartFormData();  }  // Response implementation @@ -2119,40 +2713,47 @@ inline void Response::set_content(const std::string &s,  }  inline void Response::set_content_provider( -    size_t length, -    std::function<void(size_t offset, size_t length, DataSink sink)> provider, +    size_t in_length, +    std::function<void(size_t offset, size_t length, DataSink &sink)> provider,      std::function<void()> resource_releaser) { -  assert(length > 0); -  content_provider_resource_length = length; -  content_provider = [provider](size_t offset, size_t length, DataSink sink, -                                Done) { provider(offset, length, sink); }; +  assert(in_length > 0); +  content_length = in_length; +  content_provider = [provider](size_t offset, size_t length, DataSink &sink) { +    provider(offset, length, sink); +  };    content_provider_resource_releaser = resource_releaser;  }  inline void Response::set_chunked_content_provider( -    std::function<void(size_t offset, DataSink sink, Done done)> provider, +    std::function<void(size_t offset, DataSink &sink)> provider,      std::function<void()> resource_releaser) { -  content_provider_resource_length = 0; -  content_provider = [provider](size_t offset, size_t, DataSink sink, -                                Done done) { provider(offset, sink, done); }; +  content_length = 0; +  content_provider = [provider](size_t offset, size_t, DataSink &sink) { +    provider(offset, sink); +  };    content_provider_resource_releaser = resource_releaser;  }  // Rstream implementation +inline int Stream::write(const char *ptr) { return write(ptr, strlen(ptr)); } + +inline int Stream::write(const std::string &s) { +  return write(s.data(), s.size()); +} +  template <typename... Args>  inline int Stream::write_format(const char *fmt, const Args &... args) { -  const auto bufsiz = 2048; -  char buf[bufsiz]; +  std::array<char, 2048> buf;  #if defined(_MSC_VER) && _MSC_VER < 1900 -  auto n = _snprintf_s(buf, bufsiz, bufsiz - 1, fmt, args...); +  auto n = _snprintf_s(buf, bufsiz, buf.size() - 1, fmt, args...);  #else -  auto n = snprintf(buf, bufsiz - 1, fmt, args...); +  auto n = snprintf(buf.data(), buf.size() - 1, fmt, args...);  #endif    if (n <= 0) { return n; } -  if (n >= bufsiz - 1) { -    std::vector<char> glowable_buf(bufsiz); +  if (n >= static_cast<int>(buf.size()) - 1) { +    std::vector<char> glowable_buf(buf.size());      while (n >= static_cast<int>(glowable_buf.size() - 1)) {        glowable_buf.resize(glowable_buf.size() * 2); @@ -2165,33 +2766,36 @@ inline int Stream::write_format(const char *fmt, const Args &... args) {      }      return write(&glowable_buf[0], n);    } else { -    return write(buf, n); +    return write(buf.data(), n);    }  } +namespace detail { +  // Socket stream implementation -inline SocketStream::SocketStream(socket_t sock) : sock_(sock) {} +inline SocketStream::SocketStream(socket_t sock, time_t read_timeout_sec, +                                  time_t read_timeout_usec) +    : sock_(sock), read_timeout_sec_(read_timeout_sec), +      read_timeout_usec_(read_timeout_usec) {}  inline SocketStream::~SocketStream() {} -inline int SocketStream::read(char *ptr, size_t size) { -  if (detail::select_read(sock_, CPPHTTPLIB_READ_TIMEOUT_SECOND, -                          CPPHTTPLIB_READ_TIMEOUT_USECOND) > 0) { -    return recv(sock_, ptr, static_cast<int>(size), 0); -  } -  return -1; +inline bool SocketStream::is_readable() const { +  return detail::select_read(sock_, read_timeout_sec_, read_timeout_usec_) > 0;  } -inline int SocketStream::write(const char *ptr, size_t size) { -  return send(sock_, ptr, static_cast<int>(size), 0); +inline bool SocketStream::is_writable() const { +  return detail::select_write(sock_, 0, 0) > 0;  } -inline int SocketStream::write(const char *ptr) { -  return write(ptr, strlen(ptr)); +inline int SocketStream::read(char *ptr, size_t size) { +  if (is_readable()) { return recv(sock_, ptr, static_cast<int>(size), 0); } +  return -1;  } -inline int SocketStream::write(const std::string &s) { -  return write(s.data(), s.size()); +inline int SocketStream::write(const char *ptr, size_t size) { +  if (is_writable()) { return send(sock_, ptr, static_cast<int>(size), 0); } +  return -1;  }  inline std::string SocketStream::get_remote_addr() const { @@ -2199,12 +2803,18 @@ inline std::string SocketStream::get_remote_addr() const {  }  // Buffer stream implementation +inline bool BufferStream::is_readable() const { return true; } + +inline bool BufferStream::is_writable() const { return true; } +  inline int BufferStream::read(char *ptr, size_t size) {  #if defined(_MSC_VER) && _MSC_VER < 1900 -  return static_cast<int>(buffer._Copy_s(ptr, size, size)); +  int len_read = static_cast<int>(buffer._Copy_s(ptr, size, size, position));  #else -  return static_cast<int>(buffer.copy(ptr, size)); +  int len_read = static_cast<int>(buffer.copy(ptr, size, position));  #endif +  position += len_read; +  return len_read;  }  inline int BufferStream::write(const char *ptr, size_t size) { @@ -2212,33 +2822,23 @@ inline int BufferStream::write(const char *ptr, size_t size) {    return static_cast<int>(size);  } -inline int BufferStream::write(const char *ptr) { -  return write(ptr, strlen(ptr)); -} - -inline int BufferStream::write(const std::string &s) { -  return write(s.data(), s.size()); -} -  inline std::string BufferStream::get_remote_addr() const { return ""; }  inline const std::string &BufferStream::get_buffer() const { return buffer; } +} // namespace detail +  // HTTP server implementation  inline Server::Server()      : keep_alive_max_count_(CPPHTTPLIB_KEEPALIVE_MAX_COUNT), +      read_timeout_sec_(CPPHTTPLIB_READ_TIMEOUT_SECOND), +      read_timeout_usec_(CPPHTTPLIB_READ_TIMEOUT_USECOND),        payload_max_length_(CPPHTTPLIB_PAYLOAD_MAX_LENGTH), is_running_(false),        svr_sock_(INVALID_SOCKET) {  #ifndef _WIN32    signal(SIGPIPE, SIG_IGN);  #endif -  new_task_queue = [] { -#if CPPHTTPLIB_THREAD_POOL_COUNT > 0 -    return new ThreadPool(CPPHTTPLIB_THREAD_POOL_COUNT); -#else -    return new Threads(); -#endif -  }; +  new_task_queue = [] { return new ThreadPool(CPPHTTPLIB_THREAD_POOL_COUNT); };  }  inline Server::~Server() {} @@ -2253,16 +2853,37 @@ inline Server &Server::Post(const char *pattern, Handler handler) {    return *this;  } +inline Server &Server::Post(const char *pattern, +                            HandlerWithContentReader handler) { +  post_handlers_for_content_reader_.push_back( +      std::make_pair(std::regex(pattern), handler)); +  return *this; +} +  inline Server &Server::Put(const char *pattern, Handler handler) {    put_handlers_.push_back(std::make_pair(std::regex(pattern), handler));    return *this;  } +inline Server &Server::Put(const char *pattern, +                           HandlerWithContentReader handler) { +  put_handlers_for_content_reader_.push_back( +      std::make_pair(std::regex(pattern), handler)); +  return *this; +} +  inline Server &Server::Patch(const char *pattern, Handler handler) {    patch_handlers_.push_back(std::make_pair(std::regex(pattern), handler));    return *this;  } +inline Server &Server::Patch(const char *pattern, +                             HandlerWithContentReader handler) { +  patch_handlers_for_content_reader_.push_back( +      std::make_pair(std::regex(pattern), handler)); +  return *this; +} +  inline Server &Server::Delete(const char *pattern, Handler handler) {    delete_handlers_.push_back(std::make_pair(std::regex(pattern), handler));    return *this; @@ -2273,32 +2894,68 @@ inline Server &Server::Options(const char *pattern, Handler handler) {    return *this;  } -inline bool Server::set_base_dir(const char *path) { -  if (detail::is_dir(path)) { -    base_dir_ = path; -    return true; +inline bool Server::set_base_dir(const char *dir, const char *mount_point) { +  return set_mount_point(mount_point, dir); +} + +inline bool Server::set_mount_point(const char *mount_point, const char *dir) { +  if (detail::is_dir(dir)) { +    std::string mnt = mount_point ? mount_point : "/"; +    if (!mnt.empty() && mnt[0] == '/') { +      base_dirs_.emplace_back(mnt, dir); +      return true; +    } +  } +  return false; +} + +inline bool Server::remove_mount_point(const char *mount_point) { +  for (auto it = base_dirs_.begin(); it != base_dirs_.end(); ++it) { +    if (it->first == mount_point) { +      base_dirs_.erase(it); +      return true; +    }    }    return false;  } +inline void Server::set_file_extension_and_mimetype_mapping(const char *ext, +                                                            const char *mime) { +  file_extension_and_mimetype_map_[ext] = mime; +} +  inline void Server::set_file_request_handler(Handler handler) { -  file_request_handler_ = handler; +  file_request_handler_ = std::move(handler);  }  inline void Server::set_error_handler(Handler handler) { -  error_handler_ = handler; +  error_handler_ = std::move(handler);  } -inline void Server::set_logger(Logger logger) { logger_ = logger; } +inline void Server::set_logger(Logger logger) { logger_ = std::move(logger); } + +inline void +Server::set_expect_100_continue_handler(Expect100ContinueHandler handler) { +  expect_100_continue_handler_ = std::move(handler); +}  inline void Server::set_keep_alive_max_count(size_t count) {    keep_alive_max_count_ = count;  } +inline void Server::set_read_timeout(time_t sec, time_t usec) { +  read_timeout_sec_ = sec; +  read_timeout_usec_ = usec; +} +  inline void Server::set_payload_max_length(size_t length) {    payload_max_length_ = length;  } +inline bool Server::bind_to_port(const char *host, int port, int socket_flags) { +  if (bind_internal(host, port, socket_flags) < 0) return false; +  return true; +}  inline int Server::bind_to_any_port(const char *host, int socket_flags) {    return bind_internal(host, 0, socket_flags);  } @@ -2306,8 +2963,7 @@ inline int Server::bind_to_any_port(const char *host, int socket_flags) {  inline bool Server::listen_after_bind() { return listen_internal(); }  inline bool Server::listen(const char *host, int port, int socket_flags) { -  if (bind_internal(host, port, socket_flags) < 0) return false; -  return listen_internal(); +  return bind_to_port(host, port, socket_flags) && listen_internal();  }  inline bool Server::is_running() const { return is_running_; } @@ -2322,8 +2978,9 @@ inline void Server::stop() {  }  inline bool Server::parse_request_line(const char *s, Request &req) { -  static std::regex re("(GET|HEAD|POST|PUT|DELETE|CONNECT|OPTIONS|TRACE|PATCH|PRI) " -                       "(([^?]+)(?:\\?(.+?))?) (HTTP/1\\.[01])\r\n"); +  const static std::regex re( +      "(GET|HEAD|POST|PUT|DELETE|CONNECT|OPTIONS|TRACE|PATCH|PRI) " +      "(([^?]+)(?:\\?(.*?))?) (HTTP/1\\.[01])\r\n");    std::cmatch m;    if (std::regex_match(s, m, re)) { @@ -2348,9 +3005,11 @@ inline bool Server::write_response(Stream &strm, bool last_connection,    if (400 <= res.status && error_handler_) { error_handler_(req, res); } +  detail::BufferStream bstrm; +    // Response line -  if (!strm.write_format("HTTP/1.1 %d %s\r\n", res.status, -                         detail::status_message(res.status))) { +  if (!bstrm.write_format("HTTP/1.1 %d %s\r\n", res.status, +                          detail::status_message(res.status))) {      return false;    } @@ -2363,11 +3022,12 @@ inline bool Server::write_response(Stream &strm, bool last_connection,      res.set_header("Connection", "Keep-Alive");    } -  if (!res.has_header("Content-Type")) { +  if (!res.has_header("Content-Type") && +      (!res.body.empty() || res.content_length > 0)) {      res.set_header("Content-Type", "text/plain");    } -  if (!res.has_header("Accept-Ranges")) { +  if (!res.has_header("Accept-Ranges") && req.method == "HEAD") {      res.set_header("Accept-Ranges", "bytes");    } @@ -2388,17 +3048,17 @@ inline bool Server::write_response(Stream &strm, bool last_connection,    }    if (res.body.empty()) { -    if (res.content_provider_resource_length > 0) { +    if (res.content_length > 0) {        size_t length = 0;        if (req.ranges.empty()) { -        length = res.content_provider_resource_length; +        length = res.content_length;        } else if (req.ranges.size() == 1) { -        auto offsets = detail::get_range_offset_and_length( -            req, res.content_provider_resource_length, 0); +        auto offsets = +            detail::get_range_offset_and_length(req, res.content_length, 0);          auto offset = offsets.first;          length = offsets.second;          auto content_range = detail::make_content_range_header_field( -            offset, length, res.content_provider_resource_length); +            offset, length, res.content_length);          res.set_header("Content-Range", content_range);        } else {          length = detail::get_multipart_ranges_data_length(req, res, boundary, @@ -2430,7 +3090,7 @@ inline bool Server::write_response(Stream &strm, bool last_connection,      }  #ifdef CPPHTTPLIB_ZLIB_SUPPORT -    // TODO: 'Accpet-Encoding' has gzip, not gzip;q=0 +    // TODO: 'Accept-Encoding' has gzip, not gzip;q=0      const auto &encodings = req.get_header_value("Accept-Encoding");      if (encodings.find("gzip") != std::string::npos &&          detail::can_compress(res.get_header_value("Content-Type"))) { @@ -2444,7 +3104,11 @@ inline bool Server::write_response(Stream &strm, bool last_connection,      res.set_header("Content-Length", length);    } -  if (!detail::write_headers(strm, res, Headers())) { return false; } +  if (!detail::write_headers(bstrm, res, Headers())) { return false; } + +  // Flush buffer +  auto &data = bstrm.get_buffer(); +  strm.write(data.data(), data.size());    // Body    if (req.method != "HEAD") { @@ -2468,15 +3132,15 @@ inline bool  Server::write_content_with_provider(Stream &strm, const Request &req,                                      Response &res, const std::string &boundary,                                      const std::string &content_type) { -  if (res.content_provider_resource_length) { +  if (res.content_length) {      if (req.ranges.empty()) {        if (detail::write_content(strm, res.content_provider, 0, -                                res.content_provider_resource_length) < 0) { +                                res.content_length) < 0) {          return false;        }      } else if (req.ranges.size() == 1) { -      auto offsets = detail::get_range_offset_and_length( -          req, res.content_provider_resource_length, 0); +      auto offsets = +          detail::get_range_offset_and_length(req, res.content_length, 0);        auto offset = offsets.first;        auto length = offsets.second;        if (detail::write_content(strm, res.content_provider, offset, length) < @@ -2490,29 +3154,123 @@ Server::write_content_with_provider(Stream &strm, const Request &req,        }      }    } else { -    if (detail::write_content_chunked(strm, res.content_provider) < 0) { +    auto is_shutting_down = [this]() { +      return this->svr_sock_ == INVALID_SOCKET; +    }; +    if (detail::write_content_chunked(strm, res.content_provider, +                                      is_shutting_down) < 0) {        return false;      }    }    return true;  } -inline bool Server::handle_file_request(Request &req, Response &res) { -  if (!base_dir_.empty() && detail::is_valid_path(req.path)) { -    std::string path = base_dir_ + req.path; +inline bool Server::read_content(Stream &strm, bool last_connection, +                                 Request &req, Response &res) { +  MultipartFormDataMap::iterator cur; +  auto ret = read_content_core( +      strm, last_connection, req, res, +      // Regular +      [&](const char *buf, size_t n) { +        if (req.body.size() + n > req.body.max_size()) { return false; } +        req.body.append(buf, n); +        return true; +      }, +      // Multipart +      [&](const MultipartFormData &file) { +        cur = req.files.emplace(file.name, file); +        return true; +      }, +      [&](const char *buf, size_t n) { +        auto &content = cur->second.content; +        if (content.size() + n > content.max_size()) { return false; } +        content.append(buf, n); +        return true; +      }); -    if (!path.empty() && path.back() == '/') { path += "index.html"; } +  const auto &content_type = req.get_header_value("Content-Type"); +  if (!content_type.find("application/x-www-form-urlencoded")) { +    detail::parse_query_text(req.body, req.params); +  } -    if (detail::is_file(path)) { -      detail::read_file(path, res.body); -      auto type = detail::find_content_type(path); -      if (type) { res.set_header("Content-Type", type); } -      res.status = 200; -      if (file_request_handler_) { file_request_handler_(req, res); } -      return true; +  return ret; +} + +inline bool Server::read_content_with_content_receiver( +    Stream &strm, bool last_connection, Request &req, Response &res, +    ContentReceiver receiver, MultipartContentHeader multipart_header, +    ContentReceiver multipart_receiver) { +  return read_content_core(strm, last_connection, req, res, receiver, +                           multipart_header, multipart_receiver); +} + +inline bool Server::read_content_core(Stream &strm, bool last_connection, +                                      Request &req, Response &res, +                                      ContentReceiver receiver, +                                      MultipartContentHeader mulitpart_header, +                                      ContentReceiver multipart_receiver) { +  detail::MultipartFormDataParser multipart_form_data_parser; +  ContentReceiver out; + +  if (req.is_multipart_form_data()) { +    const auto &content_type = req.get_header_value("Content-Type"); +    std::string boundary; +    if (!detail::parse_multipart_boundary(content_type, boundary)) { +      res.status = 400; +      return write_response(strm, last_connection, req, res);      } + +    multipart_form_data_parser.set_boundary(boundary); +    out = [&](const char *buf, size_t n) { +      return multipart_form_data_parser.parse(buf, n, multipart_receiver, +                                              mulitpart_header); +    }; +  } else { +    out = receiver; +  } + +  if (!detail::read_content(strm, req, payload_max_length_, res.status, +                            Progress(), out)) { +    return write_response(strm, last_connection, req, res);    } +  if (req.is_multipart_form_data()) { +    if (!multipart_form_data_parser.is_valid()) { +      res.status = 400; +      return write_response(strm, last_connection, req, res); +    } +  } + +  return true; +} + +inline bool Server::handle_file_request(Request &req, Response &res, +                                        bool head) { +  for (const auto &kv : base_dirs_) { +    const auto &mount_point = kv.first; +    const auto &base_dir = kv.second; + +    // Prefix match +    if (!req.path.find(mount_point)) { +      std::string sub_path = "/" + req.path.substr(mount_point.size()); +      if (detail::is_valid_path(sub_path)) { +        auto path = base_dir + sub_path; +        if (path.back() == '/') { path += "index.html"; } + +        if (detail::is_file(path)) { +          detail::read_file(path, res.body); +          auto type = +              detail::find_content_type(path, file_extension_and_mimetype_map_); +          if (type) { res.set_header("Content-Type", type); } +          res.status = 200; +          if (!head && file_request_handler_) { +            file_request_handler_(req, res); +          } +          return true; +        } +      } +    } +  }    return false;  } @@ -2605,9 +3363,51 @@ inline bool Server::listen_internal() {    return ret;  } -inline bool Server::routing(Request &req, Response &res) { -  if (req.method == "GET" && handle_file_request(req, res)) { return true; } +inline bool Server::routing(Request &req, Response &res, Stream &strm, +                            bool last_connection) { +  // File handler +  bool is_head_request = req.method == "HEAD"; +  if ((req.method == "GET" || is_head_request) && +      handle_file_request(req, res, is_head_request)) { +    return true; +  } + +  if (detail::expect_content(req)) { +    // Content reader handler +    { +      ContentReader reader( +          [&](ContentReceiver receiver) { +            return read_content_with_content_receiver( +                strm, last_connection, req, res, receiver, nullptr, nullptr); +          }, +          [&](MultipartContentHeader header, ContentReceiver receiver) { +            return read_content_with_content_receiver( +                strm, last_connection, req, res, nullptr, header, receiver); +          }); + +      if (req.method == "POST") { +        if (dispatch_request_for_content_reader( +                req, res, reader, post_handlers_for_content_reader_)) { +          return true; +        } +      } else if (req.method == "PUT") { +        if (dispatch_request_for_content_reader( +                req, res, reader, put_handlers_for_content_reader_)) { +          return true; +        } +      } else if (req.method == "PATCH") { +        if (dispatch_request_for_content_reader( +                req, res, reader, patch_handlers_for_content_reader_)) { +          return true; +        } +      } +    } +    // Read content into `req.body` +    if (!read_content(strm, last_connection, req, res)) { return false; } +  } + +  // Regular handler    if (req.method == "GET" || req.method == "HEAD") {      return dispatch_request(req, res, get_handlers_);    } else if (req.method == "POST") { @@ -2640,17 +3440,31 @@ inline bool Server::dispatch_request(Request &req, Response &res,    return false;  } +inline bool Server::dispatch_request_for_content_reader( +    Request &req, Response &res, ContentReader content_reader, +    HandlersForContentReader &handlers) { +  for (const auto &x : handlers) { +    const auto &pattern = x.first; +    const auto &handler = x.second; + +    if (std::regex_match(req.path, req.matches, pattern)) { +      handler(req, res, content_reader); +      return true; +    } +  } +  return false; +} +  inline bool  Server::process_request(Stream &strm, bool last_connection,                          bool &connection_close, -                        std::function<void(Request &)> setup_request) { -  const auto bufsiz = 2048; -  char buf[bufsiz]; +                        const std::function<void(Request &)> &setup_request) { +  std::array<char, 2048> buf{}; -  detail::stream_line_reader reader(strm, buf, bufsiz); +  detail::stream_line_reader line_reader(strm, buf.data(), buf.size());    // Connection has been closed on client -  if (!reader.getline()) { return false; } +  if (!line_reader.getline()) { return false; }    Request req;    Response res; @@ -2658,7 +3472,7 @@ Server::process_request(Stream &strm, bool last_connection,    res.version = "HTTP/1.1";    // Check if the request URI doesn't exceed the limit -  if (reader.size() > CPPHTTPLIB_REQUEST_URI_MAX_LENGTH) { +  if (line_reader.size() > CPPHTTPLIB_REQUEST_URI_MAX_LENGTH) {      Headers dummy;      detail::read_headers(strm, dummy);      res.status = 414; @@ -2666,7 +3480,7 @@ Server::process_request(Stream &strm, bool last_connection,    }    // Request line and headers -  if (!parse_request_line(reader.ptr(), req) || +  if (!parse_request_line(line_reader.ptr(), req) ||        !detail::read_headers(strm, req.headers)) {      res.status = 400;      return write_response(strm, last_connection, req, res); @@ -2683,33 +3497,6 @@ Server::process_request(Stream &strm, bool last_connection,    req.set_header("REMOTE_ADDR", strm.get_remote_addr()); -  // Body -  if (req.method == "POST" || req.method == "PUT" || req.method == "PATCH" || req.method == "PRI") { -    if (!detail::read_content(strm, req, payload_max_length_, res.status, -                              Progress(), [&](const char *buf, size_t n) { -                                if (req.body.size() + n > req.body.max_size()) { -                                  return false; -                                } -                                req.body.append(buf, n); -                                return true; -                              })) { -      return write_response(strm, last_connection, req, res); -    } - -    const auto &content_type = req.get_header_value("Content-Type"); - -    if (!content_type.find("application/x-www-form-urlencoded")) { -      detail::parse_query_text(req.body, req.params); -    } else if (!content_type.find("multipart/form-data")) { -      std::string boundary; -      if (!detail::parse_multipart_boundary(content_type, boundary) || -          !detail::parse_multipart_formdata(boundary, req.body, req.files)) { -        res.status = 400; -        return write_response(strm, last_connection, req, res); -      } -    } -  } -    if (req.has_header("Range")) {      const auto &range_header_value = req.get_header_value("Range");      if (!detail::parse_range_header(range_header_value, req.ranges)) { @@ -2719,7 +3506,23 @@ Server::process_request(Stream &strm, bool last_connection,    if (setup_request) { setup_request(req); } -  if (routing(req, res)) { +  if (req.get_header_value("Expect") == "100-continue") { +    auto status = 100; +    if (expect_100_continue_handler_) { +      status = expect_100_continue_handler_(req, res); +    } +    switch (status) { +    case 100: +    case 417: +      strm.write_format("HTTP/1.1 %d %s\r\n\r\n", status, +                        detail::status_message(status)); +      break; +    default: return write_response(strm, last_connection, req, res); +    } +  } + +  // Rounting +  if (routing(req, res, strm, last_connection)) {      if (res.status == -1) { res.status = req.ranges.empty() ? 200 : 206; }    } else {      if (res.status == -1) { res.status = 404; } @@ -2732,7 +3535,7 @@ inline bool Server::is_valid() const { return true; }  inline bool Server::process_and_close_socket(socket_t sock) {    return detail::process_and_close_socket( -      false, sock, keep_alive_max_count_, +      false, sock, keep_alive_max_count_, read_timeout_sec_, read_timeout_usec_,        [this](Stream &strm, bool last_connection, bool &connection_close) {          return process_request(strm, last_connection, connection_close,                                 nullptr); @@ -2740,47 +3543,37 @@ inline bool Server::process_and_close_socket(socket_t sock) {  }  // HTTP client implementation -inline Client::Client(const char *host, int port, time_t timeout_sec) -    : host_(host), port_(port), timeout_sec_(timeout_sec), +inline Client::Client(const std::string &host, int port, +                      const std::string &client_cert_path, +                      const std::string &client_key_path) +    : host_(host), port_(port),        host_and_port_(host_ + ":" + std::to_string(port_)), -      keep_alive_max_count_(CPPHTTPLIB_KEEPALIVE_MAX_COUNT), -      follow_location_(false) {} +      client_cert_path_(client_cert_path), client_key_path_(client_key_path) {}  inline Client::~Client() {}  inline bool Client::is_valid() const { return true; }  inline socket_t Client::create_client_socket() const { -  return detail::create_socket( -      host_.c_str(), port_, [=](socket_t sock, struct addrinfo &ai) -> bool { -        detail::set_nonblocking(sock, true); - -        auto ret = connect(sock, ai.ai_addr, static_cast<int>(ai.ai_addrlen)); -        if (ret < 0) { -          if (detail::is_connection_error() || -              !detail::wait_until_socket_is_ready(sock, timeout_sec_, 0)) { -            detail::close_socket(sock); -            return false; -          } -        } - -        detail::set_nonblocking(sock, false); -        return true; -      }); +  if (!proxy_host_.empty()) { +    return detail::create_client_socket(proxy_host_.c_str(), proxy_port_, +                                        timeout_sec_, interface_); +  } +  return detail::create_client_socket(host_.c_str(), port_, timeout_sec_, +                                      interface_);  }  inline bool Client::read_response_line(Stream &strm, Response &res) { -  const auto bufsiz = 2048; -  char buf[bufsiz]; +  std::array<char, 2048> buf; -  detail::stream_line_reader reader(strm, buf, bufsiz); +  detail::stream_line_reader line_reader(strm, buf.data(), buf.size()); -  if (!reader.getline()) { return false; } +  if (!line_reader.getline()) { return false; }    const static std::regex re("(HTTP/1\\.[01]) (\\d+?) .*\r\n");    std::cmatch m; -  if (std::regex_match(reader.ptr(), m, re)) { +  if (std::regex_match(line_reader.ptr(), m, re)) {      res.version = std::string(m[1]);      res.status = std::stoi(std::string(m[2]));    } @@ -2789,22 +3582,21 @@ inline bool Client::read_response_line(Stream &strm, Response &res) {  }  inline bool Client::send(const Request &req, Response &res) { -  if (req.path.empty()) { return false; } -    auto sock = create_client_socket();    if (sock == INVALID_SOCKET) { return false; } -  auto ret = process_and_close_socket( -      sock, 1, [&](Stream &strm, bool last_connection, bool &connection_close) { -        return process_request(strm, req, res, last_connection, -                               connection_close); -      }); - -  if (ret && follow_location_ && (300 < res.status && res.status < 400)) { -    ret = redirect(req, res); +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT +  if (is_ssl() && !proxy_host_.empty()) { +    bool error; +    if (!connect(sock, res, error)) { return error; }    } +#endif -  return ret; +  return process_and_close_socket( +      sock, 1, [&](Stream &strm, bool last_connection, bool &connection_close) { +        return handle_request(strm, req, res, last_connection, +                              connection_close); +      });  }  inline bool Client::send(const std::vector<Request> &requests, @@ -2814,32 +3606,136 @@ inline bool Client::send(const std::vector<Request> &requests,      auto sock = create_client_socket();      if (sock == INVALID_SOCKET) { return false; } -    if (!process_and_close_socket( -            sock, requests.size() - i, -            [&](Stream &strm, bool last_connection, bool &connection_close) -> bool { -              auto &req = requests[i]; -              auto res = Response(); -              i++; +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT +    if (is_ssl() && !proxy_host_.empty()) { +      Response res; +      bool error; +      if (!connect(sock, res, error)) { return false; } +    } +#endif + +    if (!process_and_close_socket(sock, requests.size() - i, +                                  [&](Stream &strm, bool last_connection, +                                      bool &connection_close) -> bool { +                                    auto &req = requests[i++]; +                                    auto res = Response(); +                                    auto ret = handle_request(strm, req, res, +                                                              last_connection, +                                                              connection_close); +                                    if (ret) { +                                      responses.emplace_back(std::move(res)); +                                    } +                                    return ret; +                                  })) { +      return false; +    } +  } -              if (req.path.empty()) { return false; } -              auto ret = process_request(strm, req, res, last_connection, -                                         connection_close); +  return true; +} + +inline bool Client::handle_request(Stream &strm, const Request &req, +                                   Response &res, bool last_connection, +                                   bool &connection_close) { +  if (req.path.empty()) { return false; } + +  bool ret; + +  if (!is_ssl() && !proxy_host_.empty()) { +    auto req2 = req; +    req2.path = "http://" + host_and_port_ + req.path; +    ret = process_request(strm, req2, res, last_connection, connection_close); +  } else { +    ret = process_request(strm, req, res, last_connection, connection_close); +  } + +  if (!ret) { return false; } + +  if (300 < res.status && res.status < 400 && follow_location_) { +    ret = redirect(req, res); +  } -              if (ret && follow_location_ && -                  (300 < res.status && res.status < 400)) { -                ret = redirect(req, res); -              } +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT +  if (res.status == 401 || res.status == 407) { +    auto is_proxy = res.status == 407; +    const auto &username = +        is_proxy ? proxy_digest_auth_username_ : digest_auth_username_; +    const auto &password = +        is_proxy ? proxy_digest_auth_password_ : digest_auth_password_; + +    if (!username.empty() && !password.empty()) { +      std::map<std::string, std::string> auth; +      if (parse_www_authenticate(res, auth, is_proxy)) { +        Request new_req = req; +        auto key = is_proxy ? "Proxy-Authorization" : "WWW-Authorization"; +        new_req.headers.erase(key); +        new_req.headers.insert(make_digest_authentication_header( +            req, auth, 1, random_string(10), username, password, is_proxy)); + +        Response new_res; + +        ret = send(new_req, new_res); +        if (ret) { res = new_res; } +      } +    } +  } +#endif + +  return ret; +} -              if (ret) { responses.emplace_back(std::move(res)); } +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT +inline bool Client::connect(socket_t sock, Response &res, bool &error) { +  error = true; +  Response res2; + +  if (!detail::process_socket( +          true, sock, 1, read_timeout_sec_, read_timeout_usec_, +          [&](Stream &strm, bool /*last_connection*/, bool &connection_close) { +            Request req2; +            req2.method = "CONNECT"; +            req2.path = host_and_port_; +            return process_request(strm, req2, res2, false, connection_close); +          })) { +    detail::close_socket(sock); +    error = false; +    return false; +  } -              return ret; -            })) { +  if (res2.status == 407) { +    if (!proxy_digest_auth_username_.empty() && +        !proxy_digest_auth_password_.empty()) { +      std::map<std::string, std::string> auth; +      if (parse_www_authenticate(res2, auth, true)) { +        Response res3; +        if (!detail::process_socket( +                true, sock, 1, read_timeout_sec_, read_timeout_usec_, +                [&](Stream &strm, bool /*last_connection*/, +                    bool &connection_close) { +                  Request req3; +                  req3.method = "CONNECT"; +                  req3.path = host_and_port_; +                  req3.headers.insert(make_digest_authentication_header( +                      req3, auth, 1, random_string(10), +                      proxy_digest_auth_username_, proxy_digest_auth_password_, +                      true)); +                  return process_request(strm, req3, res3, false, +                                         connection_close); +                })) { +          detail::close_socket(sock); +          error = false; +          return false; +        } +      } +    } else { +      res = res2;        return false;      }    }    return true;  } +#endif  inline bool Client::redirect(const Request &req, Response &res) {    if (req.redirect_count == 0) { return false; } @@ -2847,46 +3743,47 @@ inline bool Client::redirect(const Request &req, Response &res) {    auto location = res.get_header_value("location");    if (location.empty()) { return false; } -  std::regex re( +  const static std::regex re(        R"(^(?:([^:/?#]+):)?(?://([^/?#]*))?([^?#]*(?:\?[^#]*)?)(?:#.*)?)"); +  std::smatch m; +  if (!regex_match(location, m, re)) { return false; } +    auto scheme = is_ssl() ? "https" : "http"; -  std::smatch m; -  if (regex_match(location, m, re)) { -    auto next_scheme = m[1].str(); -    auto next_host = m[2].str(); -    auto next_path = m[3].str(); -    if (next_host.empty()) { next_host = host_; } -    if (next_path.empty()) { next_path = "/"; } - -    if (next_scheme == scheme && next_host == host_) { -      return detail::redirect(*this, req, res, next_path); -    } else { -      if (next_scheme == "https") { +  auto next_scheme = m[1].str(); +  auto next_host = m[2].str(); +  auto next_path = m[3].str(); +  if (next_scheme.empty()) { next_scheme = scheme; } +  if (next_scheme.empty()) { next_scheme = scheme; } +  if (next_host.empty()) { next_host = host_; } +  if (next_path.empty()) { next_path = "/"; } + +  if (next_scheme == scheme && next_host == host_) { +    return detail::redirect(*this, req, res, next_path); +  } else { +    if (next_scheme == "https") {  #ifdef CPPHTTPLIB_OPENSSL_SUPPORT -        SSLClient cli(next_host.c_str()); -        cli.follow_location(true); -        return detail::redirect(cli, req, res, next_path); +      SSLClient cli(next_host.c_str()); +      cli.copy_settings(*this); +      return detail::redirect(cli, req, res, next_path);  #else -        return false; +      return false;  #endif -      } else { -        Client cli(next_host.c_str()); -        cli.follow_location(true); -        return detail::redirect(cli, req, res, next_path); -      } +    } else { +      Client cli(next_host.c_str()); +      cli.copy_settings(*this); +      return detail::redirect(cli, req, res, next_path);      }    } -  return false;  } -inline void Client::write_request(Stream &strm, const Request &req, +inline bool Client::write_request(Stream &strm, const Request &req,                                    bool last_connection) { -  BufferStream bstrm; +  detail::BufferStream bstrm;    // Request line -  auto path = detail::encode_url(req.path); +  const auto &path = detail::encode_url(req.path);    bstrm.write_format("%s %s HTTP/1.1\r\n", req.method.c_str(), path.c_str()); @@ -2913,11 +3810,14 @@ inline void Client::write_request(Stream &strm, const Request &req,    if (!req.has_header("Accept")) { headers.emplace("Accept", "*/*"); }    if (!req.has_header("User-Agent")) { -    headers.emplace("User-Agent", "cpp-httplib/0.2"); +    headers.emplace("User-Agent", "cpp-httplib/0.5");    }    if (req.body.empty()) { -    if (req.method == "POST" || req.method == "PUT" || req.method == "PATCH") { +    if (req.content_provider) { +      auto length = std::to_string(req.content_length); +      headers.emplace("Content-Length", length); +    } else {        headers.emplace("Content-Length", "0");      }    } else { @@ -2931,21 +3831,100 @@ inline void Client::write_request(Stream &strm, const Request &req,      }    } -  detail::write_headers(bstrm, req, headers); +  if (!basic_auth_username_.empty() && !basic_auth_password_.empty()) { +    headers.insert(make_basic_authentication_header( +        basic_auth_username_, basic_auth_password_, false)); +  } -  // Body -  if (!req.body.empty()) { bstrm.write(req.body); } +  if (!proxy_basic_auth_username_.empty() && +      !proxy_basic_auth_password_.empty()) { +    headers.insert(make_basic_authentication_header( +        proxy_basic_auth_username_, proxy_basic_auth_password_, true)); +  } + +  detail::write_headers(bstrm, req, headers);    // Flush buffer    auto &data = bstrm.get_buffer();    strm.write(data.data(), data.size()); + +  // Body +  if (req.body.empty()) { +    if (req.content_provider) { +      size_t offset = 0; +      size_t end_offset = req.content_length; + +      DataSink data_sink; +      data_sink.write = [&](const char *d, size_t l) { +        auto written_length = strm.write(d, l); +        offset += written_length; +      }; +      data_sink.is_writable = [&](void) { return strm.is_writable(); }; + +      while (offset < end_offset) { +        req.content_provider(offset, end_offset - offset, data_sink); +      } +    } +  } else { +    strm.write(req.body); +  } + +  return true; +} + +inline std::shared_ptr<Response> Client::send_with_content_provider( +    const char *method, const char *path, const Headers &headers, +    const std::string &body, size_t content_length, +    ContentProvider content_provider, const char *content_type) { +  Request req; +  req.method = method; +  req.headers = headers; +  req.path = path; + +  req.headers.emplace("Content-Type", content_type); + +#ifdef CPPHTTPLIB_ZLIB_SUPPORT +  if (compress_) { +    if (content_provider) { +      size_t offset = 0; + +      DataSink data_sink; +      data_sink.write = [&](const char *data, size_t data_len) { +        req.body.append(data, data_len); +        offset += data_len; +      }; +      data_sink.is_writable = [&](void) { return true; }; + +      while (offset < content_length) { +        content_provider(offset, content_length - offset, data_sink); +      } +    } else { +      req.body = body; +    } + +    if (!detail::compress(req.body)) { return nullptr; } +    req.headers.emplace("Content-Encoding", "gzip"); +  } else +#endif +  { +    if (content_provider) { +      req.content_length = content_length; +      req.content_provider = content_provider; +    } else { +      req.body = body; +    } +  } + +  auto res = std::make_shared<Response>(); + +  return send(req, *res) ? res : nullptr;  }  inline bool Client::process_request(Stream &strm, const Request &req,                                      Response &res, bool last_connection,                                      bool &connection_close) {    // Send request -  write_request(strm, req, last_connection); +  if (!write_request(strm, req, last_connection)) { return false; }    // Receive response and headers    if (!read_response_line(strm, res) || @@ -2963,21 +3942,16 @@ inline bool Client::process_request(Stream &strm, const Request &req,    }    // Body -  if (req.method != "HEAD") { -    detail::ContentReceiverCore out = [&](const char *buf, size_t n) { +  if (req.method != "HEAD" && req.method != "CONNECT") { +    ContentReceiver out = [&](const char *buf, size_t n) {        if (res.body.size() + n > res.body.max_size()) { return false; }        res.body.append(buf, n);        return true;      };      if (req.content_receiver) { -      auto offset = std::make_shared<size_t>(); -      auto length = get_header_value_uint64(res.headers, "Content-Length", 0); -      auto receiver = req.content_receiver; -      out = [offset, length, receiver](const char *buf, size_t n) { -        auto ret = receiver(buf, n, *offset, length); -        (*offset) += n; -        return ret; +      out = [&](const char *buf, size_t n) { +        return req.content_receiver(buf, n);        };      } @@ -2988,6 +3962,9 @@ inline bool Client::process_request(Stream &strm, const Request &req,      }    } +  // Log +  if (logger_) { logger_(req, res); } +    return true;  } @@ -2997,25 +3974,25 @@ inline bool Client::process_and_close_socket(                         bool &connection_close)>          callback) {    request_count = std::min(request_count, keep_alive_max_count_); -  return detail::process_and_close_socket(true, sock, request_count, callback); +  return detail::process_and_close_socket(true, sock, request_count, +                                          read_timeout_sec_, read_timeout_usec_, +                                          callback);  }  inline bool Client::is_ssl() const { return false; }  inline std::shared_ptr<Response> Client::Get(const char *path) { -  Progress dummy; -  return Get(path, Headers(), dummy); +  return Get(path, Headers(), Progress());  }  inline std::shared_ptr<Response> Client::Get(const char *path,                                               Progress progress) { -  return Get(path, Headers(), progress); +  return Get(path, Headers(), std::move(progress));  }  inline std::shared_ptr<Response> Client::Get(const char *path,                                               const Headers &headers) { -  Progress dummy; -  return Get(path, headers, dummy); +  return Get(path, headers, Progress());  }  inline std::shared_ptr<Response> @@ -3024,7 +4001,7 @@ Client::Get(const char *path, const Headers &headers, Progress progress) {    req.method = "GET";    req.path = path;    req.headers = headers; -  req.progress = progress; +  req.progress = std::move(progress);    auto res = std::make_shared<Response>();    return send(req, *res) ? res : nullptr; @@ -3032,36 +4009,36 @@ Client::Get(const char *path, const Headers &headers, Progress progress) {  inline std::shared_ptr<Response> Client::Get(const char *path,                                               ContentReceiver content_receiver) { -  Progress dummy; -  return Get(path, Headers(), nullptr, content_receiver, dummy); +  return Get(path, Headers(), nullptr, std::move(content_receiver), Progress());  }  inline std::shared_ptr<Response> Client::Get(const char *path,                                               ContentReceiver content_receiver,                                               Progress progress) { -  return Get(path, Headers(), nullptr, content_receiver, progress); +  return Get(path, Headers(), nullptr, std::move(content_receiver), +             std::move(progress));  }  inline std::shared_ptr<Response> Client::Get(const char *path,                                               const Headers &headers,                                               ContentReceiver content_receiver) { -  Progress dummy; -  return Get(path, headers, nullptr, content_receiver, dummy); +  return Get(path, headers, nullptr, std::move(content_receiver), Progress());  }  inline std::shared_ptr<Response> Client::Get(const char *path,                                               const Headers &headers,                                               ContentReceiver content_receiver,                                               Progress progress) { -  return Get(path, headers, nullptr, content_receiver, progress); +  return Get(path, headers, nullptr, std::move(content_receiver), +             std::move(progress));  }  inline std::shared_ptr<Response> Client::Get(const char *path,                                               const Headers &headers,                                               ResponseHandler response_handler,                                               ContentReceiver content_receiver) { -  Progress dummy; -  return Get(path, headers, response_handler, content_receiver, dummy); +  return Get(path, headers, std::move(response_handler), content_receiver, +             Progress());  }  inline std::shared_ptr<Response> Client::Get(const char *path, @@ -3073,9 +4050,9 @@ inline std::shared_ptr<Response> Client::Get(const char *path,    req.method = "GET";    req.path = path;    req.headers = headers; -  req.response_handler = response_handler; -  req.content_receiver = content_receiver; -  req.progress = progress; +  req.response_handler = std::move(response_handler); +  req.content_receiver = std::move(content_receiver); +  req.progress = std::move(progress);    auto res = std::make_shared<Response>();    return send(req, *res) ? res : nullptr; @@ -3107,17 +4084,8 @@ inline std::shared_ptr<Response> Client::Post(const char *path,                                                const Headers &headers,                                                const std::string &body,                                                const char *content_type) { -  Request req; -  req.method = "POST"; -  req.headers = headers; -  req.path = path; - -  req.headers.emplace("Content-Type", content_type); -  req.body = body; - -  auto res = std::make_shared<Response>(); - -  return send(req, *res) ? res : nullptr; +  return send_with_content_provider("POST", path, headers, body, 0, nullptr, +                                    content_type);  }  inline std::shared_ptr<Response> Client::Post(const char *path, @@ -3125,6 +4093,21 @@ inline std::shared_ptr<Response> Client::Post(const char *path,    return Post(path, Headers(), params);  } +inline std::shared_ptr<Response> Client::Post(const char *path, +                                              size_t content_length, +                                              ContentProvider content_provider, +                                              const char *content_type) { +  return Post(path, Headers(), content_length, content_provider, content_type); +} + +inline std::shared_ptr<Response> +Client::Post(const char *path, const Headers &headers, size_t content_length, +             ContentProvider content_provider, const char *content_type) { +  return send_with_content_provider("POST", path, headers, std::string(), +                                    content_length, content_provider, +                                    content_type); +} +  inline std::shared_ptr<Response>  Client::Post(const char *path, const Headers &headers, const Params ¶ms) {    std::string query; @@ -3146,35 +4129,28 @@ Client::Post(const char *path, const MultipartFormDataItems &items) {  inline std::shared_ptr<Response>  Client::Post(const char *path, const Headers &headers,               const MultipartFormDataItems &items) { -  Request req; -  req.method = "POST"; -  req.headers = headers; -  req.path = path; -    auto boundary = detail::make_multipart_data_boundary(); -  req.headers.emplace("Content-Type", -                      "multipart/form-data; boundary=" + boundary); +  std::string body;    for (const auto &item : items) { -    req.body += "--" + boundary + "\r\n"; -    req.body += "Content-Disposition: form-data; name=\"" + item.name + "\""; +    body += "--" + boundary + "\r\n"; +    body += "Content-Disposition: form-data; name=\"" + item.name + "\"";      if (!item.filename.empty()) { -      req.body += "; filename=\"" + item.filename + "\""; +      body += "; filename=\"" + item.filename + "\"";      } -    req.body += "\r\n"; +    body += "\r\n";      if (!item.content_type.empty()) { -      req.body += "Content-Type: " + item.content_type + "\r\n"; +      body += "Content-Type: " + item.content_type + "\r\n";      } -    req.body += "\r\n"; -    req.body += item.content + "\r\n"; +    body += "\r\n"; +    body += item.content + "\r\n";    } -  req.body += "--" + boundary + "--\r\n"; +  body += "--" + boundary + "--\r\n"; -  auto res = std::make_shared<Response>(); - -  return send(req, *res) ? res : nullptr; +  std::string content_type = "multipart/form-data; boundary=" + boundary; +  return Post(path, headers, body, content_type.c_str());  }  inline std::shared_ptr<Response> Client::Put(const char *path, @@ -3187,17 +4163,41 @@ inline std::shared_ptr<Response> Client::Put(const char *path,                                               const Headers &headers,                                               const std::string &body,                                               const char *content_type) { -  Request req; -  req.method = "PUT"; -  req.headers = headers; -  req.path = path; +  return send_with_content_provider("PUT", path, headers, body, 0, nullptr, +                                    content_type); +} -  req.headers.emplace("Content-Type", content_type); -  req.body = body; +inline std::shared_ptr<Response> Client::Put(const char *path, +                                             size_t content_length, +                                             ContentProvider content_provider, +                                             const char *content_type) { +  return Put(path, Headers(), content_length, content_provider, content_type); +} -  auto res = std::make_shared<Response>(); +inline std::shared_ptr<Response> +Client::Put(const char *path, const Headers &headers, size_t content_length, +            ContentProvider content_provider, const char *content_type) { +  return send_with_content_provider("PUT", path, headers, std::string(), +                                    content_length, content_provider, +                                    content_type); +} -  return send(req, *res) ? res : nullptr; +inline std::shared_ptr<Response> Client::Put(const char *path, +                                             const Params ¶ms) { +  return Put(path, Headers(), params); +} + +inline std::shared_ptr<Response> +Client::Put(const char *path, const Headers &headers, const Params ¶ms) { +  std::string query; +  for (auto it = params.begin(); it != params.end(); ++it) { +    if (it != params.begin()) { query += "&"; } +    query += it->first; +    query += "="; +    query += detail::encode_url(it->second); +  } + +  return Put(path, headers, query, "application/x-www-form-urlencoded");  }  inline std::shared_ptr<Response> Client::Patch(const char *path, @@ -3210,17 +4210,23 @@ inline std::shared_ptr<Response> Client::Patch(const char *path,                                                 const Headers &headers,                                                 const std::string &body,                                                 const char *content_type) { -  Request req; -  req.method = "PATCH"; -  req.headers = headers; -  req.path = path; - -  req.headers.emplace("Content-Type", content_type); -  req.body = body; +  return send_with_content_provider("PATCH", path, headers, body, 0, nullptr, +                                    content_type); +} -  auto res = std::make_shared<Response>(); +inline std::shared_ptr<Response> Client::Patch(const char *path, +                                               size_t content_length, +                                               ContentProvider content_provider, +                                               const char *content_type) { +  return Patch(path, Headers(), content_length, content_provider, content_type); +} -  return send(req, *res) ? res : nullptr; +inline std::shared_ptr<Response> +Client::Patch(const char *path, const Headers &headers, size_t content_length, +              ContentProvider content_provider, const char *content_type) { +  return send_with_content_provider("PATCH", path, headers, std::string(), +                                    content_length, content_provider, +                                    content_type);  }  inline std::shared_ptr<Response> Client::Delete(const char *path) { @@ -3271,11 +4277,58 @@ inline std::shared_ptr<Response> Client::Options(const char *path,    return send(req, *res) ? res : nullptr;  } +inline void Client::set_timeout_sec(time_t timeout_sec) { +  timeout_sec_ = timeout_sec; +} + +inline void Client::set_read_timeout(time_t sec, time_t usec) { +  read_timeout_sec_ = sec; +  read_timeout_usec_ = usec; +} +  inline void Client::set_keep_alive_max_count(size_t count) {    keep_alive_max_count_ = count;  } -inline void Client::follow_location(bool on) { follow_location_ = on; } +inline void Client::set_basic_auth(const char *username, const char *password) { +  basic_auth_username_ = username; +  basic_auth_password_ = password; +} + +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT +inline void Client::set_digest_auth(const char *username, +                                    const char *password) { +  digest_auth_username_ = username; +  digest_auth_password_ = password; +} +#endif + +inline void Client::set_follow_location(bool on) { follow_location_ = on; } + +inline void Client::set_compress(bool on) { compress_ = on; } + +inline void Client::set_interface(const char *intf) { interface_ = intf; } + +inline void Client::set_proxy(const char *host, int port) { +  proxy_host_ = host; +  proxy_port_ = port; +} + +inline void Client::set_proxy_basic_auth(const char *username, +                                         const char *password) { +  proxy_basic_auth_username_ = username; +  proxy_basic_auth_password_ = password; +} + +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT +inline void Client::set_proxy_digest_auth(const char *username, +                                          const char *password) { +  proxy_digest_auth_username_ = username; +  proxy_digest_auth_password_ = password; +} +#endif + +inline void Client::set_logger(Logger logger) { logger_ = std::move(logger); }  /*   * SSL Implementation @@ -3284,11 +4337,10 @@ inline void Client::follow_location(bool on) { follow_location_ = on; }  namespace detail {  template <typename U, typename V, typename T> -inline bool process_and_close_socket_ssl(bool is_client_request, socket_t sock, -                                         size_t keep_alive_max_count, -                                         SSL_CTX *ctx, std::mutex &ctx_mutex, -                                         U SSL_connect_or_accept, V setup, -                                         T callback) { +inline bool process_and_close_socket_ssl( +    bool is_client_request, socket_t sock, size_t keep_alive_max_count, +    time_t read_timeout_sec, time_t read_timeout_usec, SSL_CTX *ctx, +    std::mutex &ctx_mutex, U SSL_connect_or_accept, V setup, T callback) {    assert(keep_alive_max_count > 0);    SSL *ssl = nullptr; @@ -3316,7 +4368,7 @@ inline bool process_and_close_socket_ssl(bool is_client_request, socket_t sock,      return false;    } -  bool ret = false; +  auto ret = false;    if (SSL_connect_or_accept(ssl) == 1) {      if (keep_alive_max_count > 1) { @@ -3325,7 +4377,7 @@ inline bool process_and_close_socket_ssl(bool is_client_request, socket_t sock,               (is_client_request ||                detail::select_read(sock, CPPHTTPLIB_KEEPALIVE_TIMEOUT_SECOND,                                    CPPHTTPLIB_KEEPALIVE_TIMEOUT_USECOND) > 0)) { -        SSLSocketStream strm(sock, ssl); +        SSLSocketStream strm(sock, ssl, read_timeout_sec, read_timeout_usec);          auto last_connection = count == 1;          auto connection_close = false; @@ -3335,7 +4387,7 @@ inline bool process_and_close_socket_ssl(bool is_client_request, socket_t sock,          count--;        }      } else { -      SSLSocketStream strm(sock, ssl); +      SSLSocketStream strm(sock, ssl, read_timeout_sec, read_timeout_usec);        auto dummy_connection_close = false;        ret = callback(ssl, strm, true, dummy_connection_close);      } @@ -3382,11 +4434,20 @@ private:  class SSLInit {  public:    SSLInit() { +#if OPENSSL_VERSION_NUMBER < 0x1010001fL      SSL_load_error_strings();      SSL_library_init(); +#else +    OPENSSL_init_ssl( +        OPENSSL_INIT_LOAD_SSL_STRINGS | OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL); +#endif    } -  ~SSLInit() { ERR_free_strings(); } +  ~SSLInit() { +#if OPENSSL_VERSION_NUMBER < 0x1010001fL +    ERR_free_strings(); +#endif +  }  private:  #if OPENSSL_VERSION_NUMBER < 0x10100000L @@ -3394,41 +4455,44 @@ private:  #endif  }; -static SSLInit sslinit_; - -} // namespace detail -  // SSL socket stream implementation -inline SSLSocketStream::SSLSocketStream(socket_t sock, SSL *ssl) -    : sock_(sock), ssl_(ssl) {} +inline SSLSocketStream::SSLSocketStream(socket_t sock, SSL *ssl, +                                        time_t read_timeout_sec, +                                        time_t read_timeout_usec) +    : sock_(sock), ssl_(ssl), read_timeout_sec_(read_timeout_sec), +      read_timeout_usec_(read_timeout_usec) {}  inline SSLSocketStream::~SSLSocketStream() {} +inline bool SSLSocketStream::is_readable() const { +  return detail::select_read(sock_, read_timeout_sec_, read_timeout_usec_) > 0; +} + +inline bool SSLSocketStream::is_writable() const { +  return detail::select_write(sock_, 0, 0) > 0; +} +  inline int SSLSocketStream::read(char *ptr, size_t size) {    if (SSL_pending(ssl_) > 0 || -      detail::select_read(sock_, CPPHTTPLIB_READ_TIMEOUT_SECOND, -                          CPPHTTPLIB_READ_TIMEOUT_USECOND) > 0) { +      select_read(sock_, read_timeout_sec_, read_timeout_usec_) > 0) {      return SSL_read(ssl_, ptr, static_cast<int>(size));    }    return -1;  }  inline int SSLSocketStream::write(const char *ptr, size_t size) { -  return SSL_write(ssl_, ptr, static_cast<int>(size)); -} - -inline int SSLSocketStream::write(const char *ptr) { -  return write(ptr, strlen(ptr)); -} - -inline int SSLSocketStream::write(const std::string &s) { -  return write(s.data(), s.size()); +  if (is_writable()) { return SSL_write(ssl_, ptr, static_cast<int>(size)); } +  return -1;  }  inline std::string SSLSocketStream::get_remote_addr() const {    return detail::get_remote_addr(sock_);  } +static SSLInit sslinit_; + +} // namespace detail +  // SSL HTTP server implementation  inline SSLServer::SSLServer(const char *cert_path, const char *private_key_path,                              const char *client_ca_cert_file_path, @@ -3476,8 +4540,8 @@ inline bool SSLServer::is_valid() const { return ctx_; }  inline bool SSLServer::process_and_close_socket(socket_t sock) {    return detail::process_and_close_socket_ssl( -      false, sock, keep_alive_max_count_, ctx_, ctx_mutex_, SSL_accept, -      [](SSL * /*ssl*/) { return true; }, +      false, sock, keep_alive_max_count_, read_timeout_sec_, read_timeout_usec_, +      ctx_, ctx_mutex_, SSL_accept, [](SSL * /*ssl*/) { return true; },        [this](SSL *ssl, Stream &strm, bool last_connection,               bool &connection_close) {          return process_request(strm, last_connection, connection_close, @@ -3486,21 +4550,21 @@ inline bool SSLServer::process_and_close_socket(socket_t sock) {  }  // SSL HTTP client implementation -inline SSLClient::SSLClient(const char *host, int port, time_t timeout_sec, -                            const char *client_cert_path, -                            const char *client_key_path) -    : Client(host, port, timeout_sec) { +inline SSLClient::SSLClient(const std::string &host, int port, +                            const std::string &client_cert_path, +                            const std::string &client_key_path) +    : Client(host, port, client_cert_path, client_key_path) {    ctx_ = SSL_CTX_new(SSLv23_client_method());    detail::split(&host_[0], &host_[host_.size()], '.',                  [&](const char *b, const char *e) {                    host_components_.emplace_back(std::string(b, e));                  }); -  if (client_cert_path && client_key_path) { -    if (SSL_CTX_use_certificate_file(ctx_, client_cert_path, +  if (!client_cert_path.empty() && !client_key_path.empty()) { +    if (SSL_CTX_use_certificate_file(ctx_, client_cert_path.c_str(),                                       SSL_FILETYPE_PEM) != 1 || -        SSL_CTX_use_PrivateKey_file(ctx_, client_key_path, SSL_FILETYPE_PEM) != -            1) { +        SSL_CTX_use_PrivateKey_file(ctx_, client_key_path.c_str(), +                                    SSL_FILETYPE_PEM) != 1) {        SSL_CTX_free(ctx_);        ctx_ = nullptr;      } @@ -3527,9 +4591,7 @@ inline long SSLClient::get_openssl_verify_result() const {    return verify_result_;  } -inline SSL_CTX* SSLClient::ssl_context() const noexcept { -	return ctx_; -} +inline SSL_CTX *SSLClient::ssl_context() const noexcept { return ctx_; }  inline bool SSLClient::process_and_close_socket(      socket_t sock, size_t request_count, @@ -3541,7 +4603,8 @@ inline bool SSLClient::process_and_close_socket(    return is_valid() &&           detail::process_and_close_socket_ssl( -             true, sock, request_count, ctx_, ctx_mutex_, +             true, sock, request_count, read_timeout_sec_, read_timeout_usec_, +             ctx_, ctx_mutex_,               [&](SSL *ssl) {                 if (ca_cert_file_path_.empty()) {                   SSL_CTX_set_verify(ctx_, SSL_VERIFY_NONE, nullptr); @@ -3712,6 +4775,8 @@ inline bool SSLClient::check_host_name(const char *pattern,  }  #endif +// ---------------------------------------------------------------------------- +  } // namespace httplib  #endif // CPPHTTPLIB_HTTPLIB_H | 
